Evolution Witness, Builder's Talent, and Delif's Cone

Prerequisites

• Evolution Witness on the battlefield
• Builder's Talent on the battlefield
• Delif's Cone in hand

Steps

1. Cast Delif's Cone by paying its mana cost
2. When Delif's Cone enters, Builder's Talent's second ability triggers
3. Holding priority, activate Delif's Cone by tapping and sacrificing it
4. Resolve the Builder's Talent trigger, putting a +1/+1 counter on Evolution Witness
5. Evolution Witness triggers, returning Delif's Cone from your graveyard to your hand
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite storm count