Liliana has at least three loyalty counters.
You control another nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Carrion Feeder by sacrificing another nontoken Zombie, putting a +1/+1 counter on Carrion Feeder.
Cast the Zombie from your graveyard by paying .
Repeat from step 2.

You control a nontoken Zombie or a nontoken creature with changeling with mana value one or less.
Liliana has at least three loyalty counters on it.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Phyrexian Altar by sacrificing a nontoken Zombie or nontoken creature with changeling with mana value one or less, adding one mana of any color.
Cast the Zombie from your graveyard by paying its mana cost.
Repeat from step 2.

Liliana has at least three loyalty counters.
You control a nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Ashnod's Altar by sacrificing a nontoken Zombie, adding .
Cast the Zombie from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Carrion Feeder by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.
You control a nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Altar of Dementia by sacrificing a nontoken Zombie, causing target player to mill cards equal to the Zombie's power.
Cast the Zombie from your graveyard by paying .
Repeat from step 2.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Gray Merchant from your graveyard by paying due to Rooftop Storm.
When Gray Merchant enters the battlefield, it triggers, causing each opponent to lose life equal to your devotion to black and causing you to gain that much life.
Activate Warren Soultrader by paying 1 life and sacrificing Gray Merchant, creating a Treasure token.
Repeat from step 2.

Liliana has at least three loyalty counters on it.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Ashnod's Altar by sacrificing Shambling Ghast, adding .
When Shambing Ghast dies, it triggers, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn.
Cast Carrion Feeder either from your hand or from your graveyard by paying .
Activate Carrion Feeder by sacrificing it.
Carrion Feeder dies, triggering Pitiless Plunderer, creating a Treasure token.
Resolve the Carrion Feeder ability, not putting a +1/+1 counter on it due to it no longer being on the battlefield.
Activate the Treasure token by tapping and sacrificing it, adding .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Altar of Dementia by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Shambling Ghast's power.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Ratadrabik in hand or in your graveyard.Liliana has at least three loyalty counters on it.

Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Ratadrabik either from your hand or from your graveyard by paying .
Ratadrabik enters the battlefield, triggering Necroduality, creating a token copy of Ratadrabik.
Put the original Ratadrabik into your graveyard due to the legend rule.
Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types.
Repeat from step 2.

Liliana has at least three loyalty counters.
You control another nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Viscera Seer by sacrificing another nontoken Zombie, scrying 1.
Cast the Zombie from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.
You control a nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Blasting Station by tapping it and sacrificing a nontoken Zombie, dealing 1 damage to any target.
Cast the Zombie from your graveyard by paying .
The Zombie enters the battlefield, triggering Blasting Station, untapping Blasting Station.
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Viscera Seer by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Viscera Seer ability, causing you to scry 1.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Nantuko Husk by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Nantuko Husk ability, giving itself +2/+2 until end of turn.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Phyrexian Ghoul by sacrificing Shambling Ghast.
When Shambing Ghast dies, it triggers, creating a Treasure token.
Resolve the Phyrexian Ghoul ability, giving it +2/+2 until end of turn.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Razorlash Transmogrant from your graveyard by paying .
Activate Ashnod's Altar by sacrificing Razorlash Transmogrant, adding .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Ashnod's Altar by sacrificing Universal Automaton, adding .
Cast Universal Automaton from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Woe Strider by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Woe Strider ability, causing you to scry 1.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.
You control a nontoken Zombie.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Woe Strider by sacrificing a nontoken Zombie, scrying 1.
Cast the Zombie from your graveyard by paying .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Goblin Bombardment by sacrificing Shambling Ghast.
Shambing Ghast dies, creating a Treasure token.
Resolve the Goblin Bombardment ability, dealing 1 damage to any target.
Activate the Treasure token by tapping and sacrificing it, adding .
Cast Shambling Ghast from your graveyard by paying .
Repeat from step 2.

"Zombie" or "Centaur" chosen with Morophon.
Liliana has at least three loyalty counters.

Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn.
Cast Carrion Feeder either from your hand or from your graveyard by paying .
Activate Carrion Feeder by sacrificing it, not putting a +1/+1 counter on it due to it no longer being on the battlefield.
Repeat from step 2.

Liliana has at least three loyalty counters on it.

Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Glasspool Mimic by paying , choosing to have it enter the battlefield as a copy of Ratadrabik.
Put the original Ratadrabik into your graveyard due to the legend rule.
Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types.
Cast Ratadrabik from your graveyard by paying .
Repeat from step 3.

Liliana has at least three loyalty counters.

Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn.
Cast Accursed Centaur either from your hand or from your graveyard by paying .
Accursed Centaur enters the battlefield, sacrificing itself.
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn.
Cast Accursed Centaur either from your hand or from your graveyard by paying .
Accursed Centaur enters the battlefield, sacrificing itself.
Accursed Centaur dies, triggering Pitiless Plunderer, creating a Treasure token.
Activate the Treasure token by tapping and sacrificing it, adding .
Repeat from step 2.

Liliana has at least three loyalty counters.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Krark-Clan Ironworks by sacrificing Universal Automaton, adding .
Cast Universal Automaton from your graveyard by paying .
Repeat from step 2.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Razorlash Transmogrant from your graveyard by paying .
Activate Krark-Clan Ironworks by sacrificing Razorlash Transmogrant, adding .
Repeat from step 2.

Liliana has at least three loyalty counters on it.

Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Clone by paying , choosing to have it enter the battlefield as a copy of Ratadrabik.
Put the original Ratadrabik into your graveyard due to the legend rule.
Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types.
Cast Ratadrabik from your graveyard by paying .
Repeat from step 3.

Liliana has at least three loyalty counters on it.

Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Shields of Velis Vel either from your hand or from your graveyard by paying , giving creatures you control +0/+1 and all creature types until end of turn.
Repeat from step 2.

Liliana has at least three loyalty counters on it.

Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Cast Mirror Image by paying , choosing to have it enter the battlefield as a copy of Ratadrabik.
Put the original Ratadrabik into your graveyard due to the legend rule.
Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types.
Cast Ratadrabik from your graveyard by paying .
Repeat from step 3.

Liliana has at least three loyalty counters on it.

Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn.
Activate Shapesharer by paying , causing it to become a copy of Ratadrabik until your next turn.
Put the original Ratadrabik into your graveyard due to the legend rule.
Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types.
Cast Ratadrabik from your graveyard by paying .
Repeat from step 3.

"Zombie" or "Centaur" chosen with Morophon.
Liliana has at least three loyalty counters.

Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn.
Cast Accursed Centaur either from your hand or from your graveyard by paying .
Accursed Centaur enters the battlefield, sacrificing itself.
Repeat from step 2.