Goblin Bombardment + Hardened Academic + Restless Apparition

RWB identity

Commander legal

The 3 combo pieces

• Goblin Bombardment
• Hardened Academic
• Restless Apparition

How to execute it

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

What the combo produces

• Infinite creature LTB
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers