Putrid Goblin, Goblin Trashmaster, and Grumgully, the Generous

Prerequisites

• Putrid Goblin on the battlefield
• Goblin Trashmaster on the battlefield
• Grumgully, the Generous on the battlefield

Steps

1. Activate Goblin Trashmaster by sacrificing Putrid Goblin
2. When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Grumgully
3. Resolve the Goblin Trashmaster ability
4. Repeat

Results

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