All Will Be One, Karlov of the Ghost Council, and Bloodthirsty Conqueror

Prerequisites

• All Will Be One on the battlefield
• Karlov of the Ghost Council on the battlefield
• Bloodthirsty Conqueror on the battlefield

Steps

1. Gain life
2. Karlov of the Ghost Council triggers, putting two +1/+1 counters on it All Will Be One triggers, dealing 1 damage to an opponent
3. Bloodthirsty Conqueror triggers, causing you to gain 1 life
4. Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss