Shilgengar, Sire of Famine, Thran Vigil, and Scuzzback Marauders

Prerequisites

• Shilgengar, Sire of Famine on the battlefield
• Thran Vigil on the battlefield
• Scuzzback Marauders on the battlefield

Steps

1. Activate Shilgengar by sacrificing Scuzzback Marauders
2. When Scuzzback Marauders dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on Scuzzback Marauders
4. Resolve the Shilgengar ability
5. Repeat

Results

• Infinite Blood tokens
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers