Beifong's Bounty Hunters + Bloodghast + Goblin Bombardment

Beifong's Bounty Hunters

Bloodghast

Goblin Bombardment

How it works

1. Activate Goblin Bombardment by sacrificing Bloodghast
2. When Bloodghast 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, it triggers, returning it from your graveyard to the battlefield tapped.
6. When the land enters, Bloodghast triggers, returning Bloodghast from your graveyard to the battlefield.
7. Resolve the Goblin Bombardment ability.
8. Repeat.