Tenacious Dead + Pitiless Plunderer + Goblin Bombardment + Totentanz, Swarm Piper

Tenacious Dead

Pitiless Plunderer

Goblin Bombardment

Totentanz, Swarm Piper

How it works

1. Activate Goblin Bombardment by sacrificing Tenacious Dead.
2. When Tenacious Dead dies, it, Totentanz, and Pitiless Plunderer trigger.
3. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
4. Resolve the Totentanz trigger, creating a creature token.
5. In response to the remaining trigger, activate Goblin Bombardment by sacrificing the creature token.
6. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
7. Resolve the Goblin Bombardment 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 Goblin Bombardment ability from step 1.
11. Repeat.