Blightbeetle + Mikaeus, the Unhallowed + Goblin Sharpshooter + Blim, Comedic Genius

Prerequisites

• You have a way to give Goblin Sharpshooter deathtouch.
• You control an additional nontoken non-Human creature that does not have indestructible or protection from red.

Steps

1. 1Give control of Blightbeetle to an opponent, if needed. Also, give Goblin Sharpshooter deathtouch, if needed.
2. 2Activate Goblin Sharpshooter by tapping it, dealing 1 damage to the additional creature and destroying it due to Goblin Sharpshooter's deathtouch.
3. 3When the creature dies, its undying ability and Goblin Sharpshooter trigger.
4. 4Resolve the creature's undying trigger, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to Blightbeetle.
5. 5Resolve the Goblin Sharpshooter trigger, untapping it.
6. 6Repeat from step 2.

Effects

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