Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability and The Gitrog Monster's first ability trigger.
Resolve The Gitrog Monster trigger, sacrificing Glacial Chasm.
Resolve the Glacial Chasm trigger, choosing not to pay and doing nothing as Glacial Chasm is no longer on the battlefield.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Exploration Broodship has three or more charge counters on it.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Walk-in Closet is unlocked.
You control at least four Islands.

Cast Walk the Aeons by paying , sacrificing Mystic Sanctuary and two other Islands, causing you to take an extra turn after this one and returning Walk the Aeons to your hand.
Play any Island except Mystic Sanctuary from your graveyard.
When the land enters the battlefield, Aesi triggers, allowing you to draw a card.
Move to your next turn.
Cast Walk the Aeons by paying , causing you to take an extra turn after this one.
Play any Island except Mystic Sanctuary from your graveyard.
When the land enters the battlefield, Aesi triggers, allowing you to draw a card.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters the battlefield, it and Aesi trigger.
Resolve the Mystic Sanctuary trigger, putting Walk the Aeons on top of your library from your graveyard.
Resolve the Aesi trigger, causing you to draw Walk the Aeons from the top of your library.
Move to your next turn.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Play Glacial Chasm either from your hand or from your graveyard.
When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
Play any land from your graveyard.
At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
Repeat.

Cast Walk the Aeons by paying its mana cost, causing you to take an extra turn after this one.
Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters untapped, it triggers, putting Walk the Aeons from your graveyard onto the top of your library.
Move to your next turn, drawing Walk the Aeons during your draw step.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Roaming Throne, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Activate Zuran Orb by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Sylvan Safekeeper by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Thaumatog by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Squandered Resources by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Lithatog by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Troubled Healer by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Trenching Steed by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Need for Speed by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Activate Coastal Hornclaw by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Cast Time Warp by paying its mana cost, causing you to take an extra turn after this one.
Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters untapped, it triggers, putting Time Warp from your graveyard onto the top of your library.
Move to your next turn, drawing Time Warp during your draw step.
Repeat.

Cast Time Walk by paying its mana cost, causing you to take an extra turn after this one.
Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters untapped, it triggers, putting Time Walk from your graveyard onto the top of your library.
Move to your next turn, drawing Time Walk during your draw step.
Repeat.

Cast Temporal Manipulation by paying its mana cost, causing you to take an extra turn after this one.
Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters untapped, it triggers, putting Temporal Manipulation from your graveyard onto the top of your library.
Move to your next turn, drawing Temporal Manipulation during your draw step.
Repeat.

Cast Capture of Jingzhou by paying its mana cost, causing you to take an extra turn after this one.
Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land.
Play Mystic Sanctuary from your graveyard.
When Mystic Sanctuary enters untapped, it triggers, putting Capture of Jingzhou from your graveyard onto the top of your library.
Move to your next turn, drawing Capture of Jingzhou during your draw step.
Repeat.

Activate Overgrown Estate by sacrificing a land.
Play the land from your graveyard.
Repeat.

If the land can tap for mana once it enters the battlefield, you can do so for infinite mana.

Walk-in Closet is unlocked.
You control three or more Islands.

Cast Enter the Unknown either from your hand by paying or from the top of your library by paying 1 life, causing a creature you control to explore and allowing you to play an additional land this turn.
Play Mystic Sanctuary either from your hand or graveyard.
When Mystic Sanctuary enters the battlefield untapped, it triggers, putting Enter the Unknown from your graveyard onto the top of your library.
Activate Mystic Sanctuary by tapping it, adding .
Activate Zuran Orb by sacrificing Mystic Sanctuary, causing you to gain 2 life.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Fractured Realm, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Yarok, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Virtue of Knowledge, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Starfield Vocalist, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Elesh Norn, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Hearthhull has two or more charge counters on it.

Activate a land by tapping it, adding at least .
Activate Hearthhull by paying , tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Toggo triggers twice due to Delney, creating two Rock artifact tokens.
Activate Clock of Omens by tapping the Rocks, untapping Hearthhull.
Repeat.

Walk-in Closet is unlocked.
You control three or more Islands.

Cast Enter the Unknown either from your hand by paying or from the top of your library by paying 1 life, causing a creature you control to explore and allowing you to play an additional land this turn.
Play Mystic Sanctuary either from your hand or graveyard.
When Mystic Sanctuary enters the battlefield untapped, it triggers, putting Enter the Unknown from your graveyard onto the top of your library.
Activate Mystic Sanctuary by tapping it, adding .
Activate Overgrown Estate by sacrificing Mystic Sanctuary, causing you to gain 3 life.
Repeat.