Brotherhood Outcast + Goblin Bombardment + Shade's Form

Brotherhood Outcast

Goblin Bombardment

Shade's Form

How it works

1. Activate Goblin Bombardment by sacrificing Brotherhood Outcast.
2. When Brotherhood Outcast dies, Shade's Form triggers, returning Brotherhood Outcast from your graveyard to the battlefield.
3. When Brotherhood Outcast enters the battlefield, it triggers, returning Shade's Form from your graveyard to the battlefield attached to Brotherhood Outcast.
4. Resolve the Goblin Bombardment ability.
5. Repeat.