Mikaeus, the Unhallowed + Goblin Bombardment + Putrid Goblin

Prerequisites

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Steps

1. 1Activate Goblin Bombardment by sacrificing Putrid Goblin.
2. 2When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3Resolve the Goblin Bombardment ability.
4. 4Activate Goblin Bombardment by sacrificing Putrid Goblin.
5. 5When Putrid Goblin dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. 6Resolve the Goblin Bombardment ability.
7. 7Repeat.

Effects

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