Ruthless Knave + Gravecrawler + Pawn of Ulamog + Sifter of Skulls
Ruthless Knave
Gravecrawler
Pawn of Ulamog
Sifter of Skulls
Requires
Ruthless Knave must be on the battlefield.
Gravecrawler must be on the battlefield.
Pawn of Ulamog must be on the battlefield.
Sifter of Skulls must be on the battlefield.
You control another Zombie.
Mana needed: 
Steps
- Activate Ruthless Knave's first ability by paying and sacrificing Gravecrawler.
- Gravecrawler dies, triggering Pawn of Ulamog and Sifter of Skulls.
- Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
- Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token.
- Resolve the Ruthless Knave ability from step 1, creating two Treasure tokens.
- Activate the Eldrazi Scion and Eldrazi Spawn by sacrificing them, adding .
- Activate the Treasure tokens by tapping and sacrificing them, adding .
- Cast Gravecrawler from your graveyard by paying .
- Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.
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