Putrid Goblin, Vizier of Remedies, and Skirk Prospector

Prerequisites

• Putrid Goblin on the battlefield
• Vizier of Remedies on the battlefield
• Skirk Prospector on the battlefield

Steps

1. Activate Skirk Prospector 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 Vizier of Remedies
3. Repeat

Results

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