Skirk Prospector, Putrid Goblin, and Grumgully, the Generous

Prerequisites

• Skirk Prospector on the battlefield
• Putrid Goblin on the battlefield
• Grumgully, the Generous on the battlefield
• Putrid Goblin does not have a -1/-1 counter on it

Steps

1. Activate Skirk Prospector by sacrificing Putrid Goblin, adding
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. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite red mana