Activate Carrion Feeder by  sacrificing a Zombie creature.
Wilhelt triggers, creating a 3/3 Zombie token with no abilities due to Poppet Factory.
Resolve the ability from step 1.
Repeat.

Infinite +1/+1 counters on Carrion Feeder

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Wilhelt, the Rotcleaver

Poppet Stitcher // Poppet Factory

Carrion Feeder

Activate Ashnod's Altar by sacrificing Ebondeath, adding {C}{C}.
Pitiless Plunderer and Wilhelt triggers.
Resolve the Pitiless Plunderer triggers, creating a Treasure token.
Resolve Wilhelt's triggers, creating a 2/2 Zombie creature token.
Activate Ashnod's Altar by sacrificing Zombie token, adding {C}{C}.
Pitiless Plunderer triggers, creating a Treasure token.
Activate two Treasure tokens by tapping and sacrificing those, adding {B}{B}.
Cast Ebondeath from your graveyard by paying {2}{B}{B}.
Repeat.


Infinite creature tokens

Infinite storm count

Infinite colorless mana

Infinite colored mana

Infinite Treasure tokens

Ashnod's Altar

Pitiless Plunderer

Ebondeath, Dracolich

Activate Phyrexian Altar by sacrificing Shambling Ghast, adding {1}.
When Shambling Ghast dies, it and Wilhelt's first ability trigger.
Resolve the Shambling Ghast trigger, creating a Treasure token.
Resolve the Wilhelt trigger, creating a 2/2 Zombie creature token with decayed.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Cast Chthonian Nightmare by paying {1}{B}.
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get {E}{E}{E}.
Activate Chthonian Nightmare by paying {E}, sacrificing the Zombie token, and returning Chthonian Nightmare from the battlefield to your hand, returning Shambling Ghast from your graveyard to the battlefield.
Repeat.

Infinite energy counters

Shambling Ghast

Chthonian Nightmare

Phyrexian Altar

Activate Carrion Feeder by sacrificing Shambling Ghast.
When Shambling Ghast dies, it, Pitiless Plunderer and Wilhelt's first ability trigger.
Resolve the Shambling Ghast and Pitiless Plunderer triggers, creating two Treasure tokens.
Resolve the Wilhelt trigger, creating a 2/2 Zombie creature token with decayed.
Resolve the Carrion Feeder ability from step 1, putting a +1/+1 counter on it.
Activate the Treasures by tapping and sacrificing them, adding {1}{B}.
Cast Chthonian Nightmare by paying {1}{B}.
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get {E}{E}{E}.
Activate Chthonian Nightmare by paying {E}, sacrificing the Zombie token, and returning Chthonian Nightmare from the battlefield to your hand, returning Shambling Ghast from your graveyard to the battlefield.
Repeat.

Activate Altar of Dementia by sacrificing Wilhelt.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Wilhelt's power.
Cast Dress Down by paying {1}{U}.
When Dress Down enters the battlefield, it triggers, causing you to draw a card.
Activate Altar of Dementia by sacrificing a Zombie.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 1/1 Zombie without decayed due to Dress Down.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Zombie's power.
Repeat from step 6.

Infinite mill

Infinite self-mill

Myrkul, Lord of Bones

Dress Down

Altar of Dementia

Activate Ashnod's Altar by sacrificing Wilhelt, adding {C}{C}.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Cast Dress Down by paying {1}{U}.
When Dress Down enters the battlefield, it triggers, causing you to draw a card.
Activate Ashnod's Altar by sacrificing a Zombie, {C}{C}.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 1/1 Zombie without decayed due to Dress Down.
Repeat from step 5.

Activate Phyrexian Altar by sacrificing Wilhelt, adding {U}.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Cast Dress Down by paying {1}{U}.
When Dress Down enters the battlefield, it triggers, causing you to draw a card.
Activate Phyrexian Altar by sacrificing a Zombie, adding one mana of any color.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 2/2 Zombie without decayed due to Dress Down.
Repeat from step 5.

Activate Altar of Dementia by sacrificing Wilhelt.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Wilhelt's power.
Cast Humility by paying {2}{W}{W}.
Activate Altar of Dementia by sacrificing a Zombie.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 1/1 Zombie without decayed due to Humility.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Zombie's power.
Repeat from step 5.

Humility

Activate Ashnod's Altar by sacrificing Wilhelt, adding {C}{C}.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Cast Humility by paying {2}{W}{W}.
Activate Ashnod's Altar by sacrificing a Zombie, {C}{C}.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 1/1 Zombie without decayed due to Humility.
Repeat from step 4.

Activate Phyrexian Altar by sacrificing Wilhelt, adding {W}.
When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment.
Cast Humility by paying {2}{W}{W}.
Activate Phyrexian Altar by sacrificing a Zombie, adding one mana of any color.
When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 1/1 Zombie without decayed due to Humility.
Repeat from step 4.

Combos with "Wilhelt, the Rotcleaver"