Beifong's Bounty Hunters + Goblin Bombardment + Totentanz, Swarm Piper

Beifong's Bounty Hunters

Goblin Bombardment

Totentanz, Swarm Piper

How it works

1. Activate Goblin Bombardment by sacrificing another nonland creature.
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land you control.
3. Resolve the Goblin Bombardment ability.
4. Activate Goblin Bombardment by sacrificing the earthbent land.
5. When the land dies, Totentanz and Beifong's Bounty Hunters trigger.
6. Resolve the Beifong's Bounty Hunters trigger, returning the land from your graveyard to the battlefield.
7. Resolve the Totentanz trigger, creating a creature token.
8. Resolve the Goblin Bombardment ability.
9. Repeat.