You have a land card in hand.

Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield tapped, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
Repeat this process, putting a land card from your hand onto the battlefield tapped.
Repeat from step 3.

You have at least ten Gates with different names on the battlefield, in hand and/or in library.
You have a land card in hand.

Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield tapped, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
Repeat this process, putting a land card from your hand onto the battlefield tapped.
Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
Maze's End and each of the Gates enter the battlefield, triggering Amulet of Vigor, untapping each of the Gates and Maze's End.
Activate three of the Gates by tapping them, adding .
Activate Maze's End's second ability by paying , tapping it and returning Maze's End to your hand, causing you to win the game.

You have a land card in your hand.

Cast Scouting Trek by paying , searching your library for any number of basic land cards and putting them on top of your library.
Cast Cultivator Colossus by paying .
When Cultivator Colossus enters the battlefield, it triggers, causing you to put a land card from your hand onto the battlefield, and then draw a card.
The process in step 3 repeats until you are unable to put a land onto the battlefield.

Archelos is untapped.
You have at least ten Gates with different names on the battlefield, in hand and/or in library.
You have a land card in hand.

Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield untapped due to Archelos, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
Repeat this process, putting a land card from your hand onto the battlefield untapped due to Archelos.
Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
Activate three of the Gates by tapping them, adding .
Activate Maze's End's second ability by paying , tapping it and returning Maze's End to your hand, causing you to win the game.

You have at least ten Gates with different names on the battlefield, in hand and/or in library.
You have a land card in hand.

Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield tapped, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
Repeat this process, putting a land card from your hand onto the battlefield tapped.
Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
Move to your end step.
At the beginning of your end step, Wilderness Reclamation triggers, untapping all lands you control.
Activate three of the Gates by tapping them, adding .
Activate Maze's End's second ability by paying , tapping it and returning Maze's End to your hand, causing you to win the game.

Bear Umbra attached to any creature that can attack this turn.
You have at least ten Gates with different names on the battlefield, in hand and/or in library.
You have a land card in hand.

Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield tapped, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
Repeat this process, putting a land card from your hand onto the battlefield tapped.
Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
Move to your combat phase, and declare the creature with Bear Umbra attached as an attacker.
The creature with Bear Umbra attached triggers, untapping all lands you control.
Activate three of the Gates by tapping them, adding .
Activate Maze's End's second ability by paying , tapping it and returning Maze's End to your hand, causing you to win the game.

You have a land card in hand.

Cast Selective Memory by paying , exiling all nonland cards from your library.
Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, causing you to put a land card from your hand onto the battlefield tapped and draw a card.
Repeat the process in step 3 until you draw from an empty library, causing you to win the game.

You have a land card in hand.

Cast Selective Memory by paying , exiling all nonland cards from your library.
Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, causing you to put a land card from your hand onto the battlefield tapped and draw a card.
Repeat the process in step 3 until you have an empty library.
Cast Thassa's Oracle by paying .
Thassa's Oracle enters the battlefield, causing you to win the game.

You have a land card in hand.

Cast Selective Memory by paying , exiling all nonland cards from your library.
Cast Cultivator Colossus by paying .
Cultivator Colossus enters the battlefield, causing you to put a land card from your hand onto the battlefield tapped and draw a card.
Repeat the process in step 3 until you draw from an empty library, causing you to win the game.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Altar of Dementia by sacrificing the land.
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the land's power.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Phyrexian Altar by sacrificing the land, adding one mana of any color.
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Ashnod's Altar by sacrificing the land, adding .
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Altar of Dementia by sacrificing the land.
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the land's power.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Phyrexian Altar by sacrificing the land, adding one mana of any color.
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least one land card in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Ashnod's Altar by sacrificing the land, adding .
When the land dies, Enduring Renewal triggers, returning the land to your hand from your graveyard.
Resolve the land's trigger from step 3, causing you to put the land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

Infinite Reflection attached to Cultivator Colossus.

Play Dryad Arbor from your hand.
Dryad Arbor enters the battlefield as a copy of Cultivator Colossus due to Infinite Reflection.
When Dryad Arbor enters the battlefield, it triggers.
Holding priority, activate Phyrexian Altar by sacrificing Dryad Arbor, adding one mana of any color.
When Dryad Arbor dies, Enduring Renewal triggers, returning Dryad Arbor to your hand.
Resolve the Dryad Arbor trigger from step 3, causing you to put Dryad Arbor onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

Infinite Reflection attached to Cultivator Colossus.

Play Dryad Arbor from your hand.
Dryad Arbor enters the battlefield as a copy of Cultivator Colossus due to Infinite Reflection.
When Dryad Arbor enters the battlefield, it triggers.
Holding priority, activate Ashnod's Altar by sacrificing Dryad Arbor, adding .
When Dryad Arbor dies, Enduring Renewal triggers, returning Dryad Arbor to your hand.
Resolve the Dryad Arbor trigger from step 3, causing you to put Dryad Arbor onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

Infinite Reflection attached to Cultivator Colossus.

Play Dryad Arbor from your hand.
Dryad Arbor enters the battlefield as a copy of Cultivator Colossus due to Infinite Reflection.
When Dryad Arbor enters the battlefield, it triggers.
Holding priority, activate Altar of Dementia by sacrificing Dryad Arbor.
When Dryad Arbor dies, Enduring Renewal triggers, returning Dryad Arbor to your hand.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Dryad Arbor's power.
Resolve the Dryad Arbor trigger from step 3, causing you to put Dryad Arbor onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Altar of Dementia by sacrificing the land.
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the Altar of Dementia ability, causing target opponent to mill cards equal to the land's power.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Phyrexian Altar by sacrificing the land, adding one mana of any color.
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Living Plane and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Ashnod's Altar by sacrificing the land, adding .
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Altar of Dementia by sacrificing the land.
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the Altar of Dementia ability, causing target opponent to mill cards equal to the land's power.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Phyrexian Altar by sacrificing the land, adding one mana of any color.
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.

You have at least two land cards in hand.
Infinite Reflection attached to Cultivator Colossus.

Play any land from your hand.
The land enters the battlefield as a copy of Cultivator Colossus due to Nature's Revolt and Infinite Reflection.
When the land enters the battlefield, it triggers.
Holding priority, activate Ashnod's Altar by sacrificing the land, adding .
When the land dies, Mortuary triggers, putting the land on top of your library from your graveyard.
Resolve the land's trigger from step 3, causing you to put any other land onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield.
Repeat from step 2.