Aerie Ouphes, Sarkhan, the Dragonspeaker, and Grumgully, the Generous

Prerequisites

• Aerie Ouphes on the battlefield
• Sarkhan, the Dragonspeaker on the battlefield
• Grumgully, the Generous on the battlefield

Steps

1. Activate Sarkhan first loyalty ability by putting one loyalty counters on it, Sarkhan becomes a Legendary 4/4 red Dragon creature with flying, indestructible, and haste until end of turn
2. Activate Aerie Ouphes by sacrificing itself
3. Aerie Ouphes' persist ability triggers, returning it from your graveyard to the battlefield
4. Resolve the Aerie Ouphes ability, dealing damage equal to its power to Sarkhan
5. Repeat

Results

• Infinite damage to flying creatures
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers