Skirk Prospector, Scuzzback Marauders, and Tromell, Seymour's Butler

Prerequisites

• Skirk Prospector on the battlefield
• Scuzzback Marauders on the battlefield
• Tromell, Seymour's Butler on the battlefield

Steps

1. Activate Skirk Prospector by sacrificing Scuzzback Marauders, adding
2. When Scuzzback Marauders dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
3. Repeat

Results

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