Szarel, Genesis Shepherd, Evolution Witness, and Mishra's Bauble

Prerequisites

• Szarel, Genesis Shepherd on the battlefield
• Evolution Witness on the battlefield
• Mishra's Bauble on the battlefield

Steps

1. Activate Mishra's Bauble by tapping and sacrificing it
2. Szarel triggers, putting a number of +1/+1 counters equal to its power on Evolution Witness
3. Evolution Witness triggers, returning Mishra's Bauble from your graveyard to your hand
4. Resolve the Mishra's Bauble ability
5. Cast Mishra's Bauble by paying
6. Repeat

Results

• Infinite card draw at the beginning of the next upkeep
• Infinite draw triggers at the beginning of the next upkeep
• Infinite storm count