Necrotic Ooze, Wizard Class, Barrenton Medic, and Niv-Mizzet, the Firemind

Prerequisites

• Necrotic Ooze on the battlefield
• Wizard Class on the battlefield
• Barrenton Medic in the graveyard
• Niv-Mizzet, the Firemind in the graveyard

Steps

1. Activate Necrotic Ooze using Niv-Mizzet's ability by tapping it, causing you to draw a card
2. Wizard Class triggers, putting a +1/+1 counter on Necrotic Ooze
3. Activate Necrotic Ooze using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it
4. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite damage