Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Goblin Bombardment + Hound of Griselbrand

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Goblin Bombardment

Hound of Griselbrand

How it works

1. Activate Goblin Bombardment by sacrificing Hound of Griselbrand
2. When Hound of Griselbrand dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Activate Goblin Bombardment by sacrificing Hound of Griselbrand
4. When Hound of Griselbrand dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. Resolve both Goblin Bombardment abilities from step 1 and 3.
6. Repeat.