Sigil of the New Dawn + Pawn of Ulamog + Phyrexian Altar + Phyrexian Walker

Sigil of the New Dawn

Pawn of Ulamog

Phyrexian Altar

Phyrexian Walker

How it works

1. Activate Phyrexian Altar by sacrificing Phyrexian Walker, adding .
2. Pawn of Ulamog and Sigil of the New Dawn trigger.
3. Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
4. Activate the Eldrazi Spawn by sacrificing it, adding C.
5. Resolve the Sigil of the New Dawn trigger, causing you to pay 1 to return Phyrexian Walker from your graveyard to your hand.
6. Cast Phyrexian Walker by paying 0.
7. Repeat.