Yawgmoth, Thran Physician, Scurry Oak, and Leyline of Vitality

Prerequisites

• Yawgmoth, Thran Physician in hand
• Scurry Oak on the battlefield
• Leyline of Vitality 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. Yawgmoth enters the battlefield, triggering Leyline of Vitality and Scurry Oak's evolve ability
3. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature, putting a -1/-1 counter on Scurry Oak and causing you to draw a card
4. Resolve the Leyline of Vitality trigger, causing you to gain 1 life
5. Resolve the Scurry Oak trigger, putting a +1/+1 counter on it, triggering Scurry Oak's second ability
6. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature, putting a -1/-1 counter on Scurry Oak and causing you to draw a card
7. Resolve the Scurry Oak trigger, creating a 1/1 Squirrel creature token
8. The Squirrel enters the battlefield, triggering Leyline of Vitality and Scurry Oak's evolve ability
9. Repeat from step 4

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