Goblin Bombardment + Grazing Kelpie + Thran Vigil

UBRG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Goblin Bombardment by sacrificing Grazing Kelpie.
  2. When Grazing Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Thran Vigil triggers, putting a +1/+1 counter on Grazing Kelpie.
  4. Resolve the Goblin Bombardment ability.
  5. Repeat.

What the combo produces