Shilgengar, Sire of Famine, and Metallic Mimic

Prerequisites

• Shilgengar, Sire of Famine on the battlefield
• Metallic Mimic on the battlefield

Steps

1. Activate Shilgengar by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Metallic Mimic Resolve the Shilgengar ability
3. Repeat

Results

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