Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Pitiless Plunderer and Liliana, Heretical Healer.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar by sacrificing the Zombie token, adding {B}.
The Zombie dies, triggering Pitiless Plunderer, creating a Treasure token.
Activate a Treasure token by tapping and sacrificing it, adding {1}.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Infinite colored mana

Infinite creature tokens

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Infinite storm count

Infinite Treasure tokens

Liliana, Heretical Healer // Liliana, Defiant Necromancer

Cadaver Imp

Phyrexian Altar

Pitiless Plunderer

Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Pawn of Ulamog and Liliana, Heretical Healer.
Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar twice by sacrificing the Zombie and the Eldrazi Spawn tokens, adding {1}{B}.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Pawn of Ulamog

Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Blight Mound and Liliana, Heretical Healer.
Resolve the Blight Mound trigger, creating a 1/1 Pest creature token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar twice by sacrificing the Zombie and the Pest tokens, adding {1}{B}.
The Pest dies, causing you to gain 1 life.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Infinite lifegain

Infinite lifegain triggers

Blight Mound

Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Open the Graves and Liliana, Heretical Healer.
Resolve the Open the Graves trigger, creating a 2/2 Zombie creature token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar twice by sacrificing the two Zombie tokens, adding {1}{B}.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Open the Graves

Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Sifter of Skulls and Liliana, Heretical Healer.
Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar twice by sacrificing the Zombie and the Eldrazi Scion tokens, adding {1}{B}.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Sifter of Skulls

Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
Cadaver Imp dies, triggering Ogre Slumlord and Liliana, Heretical Healer.
Resolve the Ogre Slumlord trigger, creating a 1/1 Rat creature token.
Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
Activate Phyrexian Altar twice by sacrificing the Zombie and the Rat tokens, adding {1}{B}.
Cast Liliana, Heretical Healer by paying {1}{B}{B}.
Repeat.

Ogre Slumlord

Activate a mana-producing permanent by tapping it, adding at least {1}.
Activate Vizier of Tumbling Sands' cycling ability by paying {0} and discarding it due to New Perspectives.
Escape Protocol and Vizier of Tumbling Sands trigger.
Resolve the Vizier of Tumbing Sands trigger, untapping a mana-producing permanent.
Reoslve the Escape Protocol trigger, blinking Cadaver Imp.
When Cadaver Imp enters the battlefield, it triggers, returning Vizier of Tumbing Sands from your graveyard to your hand.
Resolve the cycling ability from step 2, causing you to draw a card.
Repeat.

Infinite card draw

Infinite self-discard triggers

Near-infinite ETB

Infinite draw triggers

Near-infinite LTB

Escape Protocol

Vizier of Tumbling Sands

New Perspectives

Activate Altar of Dementia four times by sacrificing Cadaver Imp, Shambling Ghast, Pawn of Ulamog and another nontoken creature.
Pawn of Ulamog and Prowling Geistsnatcher trigger four times each, and Shambling Ghast triggers once.
Resolve the Shambling Ghast trigger, creating a Treasure token.
Resolve all Pawn of Ulamog triggers, creating four 0/1 Eldrazi Spawn creature tokens.
Resolve all Prowling Geistsnatcher triggers, exiling the sacrificed creatures.
Resolve all Altar of Dementia abilities, causing target player to mill cards equal to the sacrificed creatures' powers.
Activate Altar of Dementia by sacrificing  Prowling Geistsnatcher.
Prowling Geistsnatcher leaves the battlefield, returning all cards exiled with it to the battlefield.
Cadaver Imp enters the battlefield, returning Prowling Geistsnatcher from your graveyard to your hand.
Resolve the Altar of Dementia ability from step 7, causing target player to mill cards equal to Prowling Geistsnatcher's power.
Activate three Eldrazi Spawn tokens by sacrificing them, adding {C}{C}{C}.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Cast Prowling Geistsnatcher by paying {3}{B}.
Repeat.

Infinite colorless mana

Infinite mill

Infinite self-mill

Prowling Geistcatcher

Shambling Ghast

Altar of Dementia

Cast Emptiness for its evoke cost by paying {W}{W}.
When Emptiness enters, its first ability and evoke ability trigger.
Holding priority, activate Phyrexian Altar by sacrificing Emptiness, adding {W}.
Resolve Emptiness's evoke trigger, failing to sacrifice it as it's no longer on the battlefield.
Resolve Emptiness's first trigger, returning Cadaver Imp from your graveyard to the battlefield.
When Cadaver Imp enters, it triggers, returning Emptiness from your graveyard to your hand.
Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {W}.
Repeat.

Emptiness

Activate White Lotus Tile by tapping it, adding at least {U}{U}{U}.
Activate Mind Over Matter by discarding Cadaver Imp.
Hashaton triggers, causing you to pay {2}{U} to create a tapped token copy of Cadaver Imp that is a 4/4 Zombie.
When the Cadaver Imp token enters the battlefield, it triggers, returning Cadaver Imp from your graveyard to your hand.
Resolve the Mind Over Matter ability, untapping White Lotus Tile.
Repeat.

Combos with "Cadaver Imp"