Yawgmoth, Thran Physician, Scurry Oak, and Panicked Bystander // Cackling Culprit

Prerequisites

• Yawgmoth, Thran Physician in hand
• Scurry Oak on the battlefield
• Panicked Bystander // Cackling Culprit on the battlefield
• You control at least two additional creatures
• Scurry Oak has no +1/+1 counters on it
• Your life total is at least 2
• available

Steps

1. Cast Yawgmoth by paying
2. When Yawgmoth enters the battlefield, Scurry Oak's evolve ability triggers
3. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature
4. When the creature dies, Panicked Bystander triggers, causing you to gain 1 life
5. Resolve the Yawgmoth ability, putting a -1/-1 counter on Scurry Oak and causing you to draw a card
6. Resolve the Scurry Oak trigger, putting a +1/+1 counter on it, triggering Scurry Oak's second ability
7. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature
8. When the creature dies, Panicked Bystander triggers, causing you to gain 1 life
9. Resolve the Yawgmoth ability, putting a -1/-1 counter on Scurry Oak and causing you to draw a card
10. Resolve the Scurry Oak trigger, creating a 1/1 Squirrel creature token
11. When the Squirrel enters the battlefield, Scurry Oak's evolve ability triggers
12. Repeat from step 6

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite lifegain triggers
• Near-infinite LTB
• Near-infinite sacrifice triggers