Tenacious Dead + Pitiless Plunderer + Viscera Seer + Pawn of Ulamog

Tenacious Dead

Pitiless Plunderer

Viscera Seer

Pawn of Ulamog

How it works

1. Activate Viscera Seer by sacrificing Tenacious Dead.
2. When Tenacious Dead dies, it, Pawn of Ulamog, and Pitiless Plunderer trigger.
3. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
4. Resolve the Pawn of Ulamog trigger, creating a creature token.
5. In response to the remaining trigger, activate Viscera Seer by sacrificing the creature token.
6. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
7. Resolve the Viscera Seer ability from step 5.
8. Activate two Treasure tokens by tapping and sacrificing them, adding .
9. Resolve the Tenacious Dead trigger, paying 1 to return it to the battlefield from your graveyard.
10. Resolve the Viscera Seer ability from step 1.
11. Repeat.