Shilgengar, Sire of Famine, and Gorma, the Gullet

Prerequisites

• Shilgengar, Sire of Famine on the battlefield
• Gorma, the Gullet on the battlefield

Steps

1. Activate Shilgengar by sacrificing the persist creature
2. When the persist creature dies, its persist ability and Gorma trigger
3. Resolve the Gorma trigger, putting a +1/+1 counter on it
4. Resolve the persist trigger, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Gorma
5. Resolve the Shilgengar ability
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite Blood tokens
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers