Metamorphosis Fanatic + Prowling Geistcatcher + Goblin Bombardment

Metamorphosis Fanatic

Prowling Geistcatcher

Goblin Bombardment

How it works

1. Activate Goblin Bombardment by sacrificing Metamorphosis Fanatic.
2. When Metamorphosis Fanatic dies, Prowling Geistcatcher's first ability triggers, exiling Metamorphosis Fanatic from your graveyard.
3. Resolve the Goblin Bombardment ability.
4. Activate Goblin Bombardment by sacrificing Prowling Geistcatcher.
5. When Prowling Geistcatcher dies, its second ability triggers, returning Metamorphosis Fanatic from exile to the battlefield.
6. When Metamorphosis Fanatic enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield.
7. Resolve the Goblin Bombardment ability.
8. Repeat.