Putrid Goblin, Skirk Prospector, and Gorma, the Gullet

Prerequisites

• Putrid Goblin on the battlefield
• Skirk Prospector on the battlefield
• Gorma, the Gullet on the battlefield

Steps

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

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite red mana
• Infinite creature sacrifice triggers
• Infinite +1/+1 counters on a creature