Yarus, Roar of the Old Gods + Karlov Watchdog + Goblin Bombardment + Stiltzkin, Moogle Merchant

Prerequisites

• You control a face-down creature whose front face is a permanent card.
• Stiltzkin, Moogle Merchant does not have summoning sickness.

Steps

1. 1Activate Stiltzkin by paying and tapping it, giving control of Karlov Watchdog to an opponent.
2. 2During the opponent's turn, activate Goblin Bombardment by sacrificing a face-down creature you control.
3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
4. 4Resolve the Goblin Bombardment ability.
5. 5Repeat from step 2.

Effects

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