Metastatic Evangel, Evolution Witness, and Wild Cantor

Prerequisites

• Metastatic Evangel on the battlefield
• Evolution Witness on the battlefield
• Wild Cantor on the battlefield

Steps

1. Cast Wild Cantor by paying its mana cost
2. When Wild Cantor enters, Metastatic Evangel triggers
3. Holding priority, activate Wild Cantor by sacrificing it, adding Resolve the Metastatic Evangel trigger, causing you to proliferate and put a +1/+1 counter on Evolution Witness
4. Evolution Witness triggers, returning Wild Cantor from your graveyard to your hand
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite proliferate
• Infinite sacrifice triggers
• Infinite storm count