Evolution Witness, Extruder, and Su-Chi

Prerequisites

• Evolution Witness on the battlefield
• Extruder on the battlefield
• Su-Chi on the battlefield

Steps

1. Activate Extruder by sacrificing Su-Chi, targeting Evolution Witness
2. When Su-Chi dies, it triggers, adding
3. Evolution Witness triggers, returning Su-Chi from your graveyard to your hand
4. Cast Su-Chi by paying its mana cost
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite +1/+1 counters on a creature