Saffi Eriksdotter + Goblin Bombardment + Hero of the Dunes

Saffi Eriksdotter

Goblin Bombardment

Hero of the Dunes

How it works

1. Activate Saffi by sacrificing it, targeting Hero of the Dunes
2. Activate Goblin Bombardment by sacrificing Hero of the Dunes
3. When Hero of the Dunes dies, Saffi triggers, returning Hero of the Dunes from your graveyard to the battlefield.
4. When Hero of the Dunes enters, it triggers, returning Saffi from your graveyard to the battlefield.
5. Resolve the Goblin Bombardment ability.
6. Repeat.