Ob Nixilis, Captive Kingpin, and All Will Be One

Prerequisites

• Ob Nixilis, Captive Kingpin on the battlefield
• All Will Be One on the battlefield
• You have a way to cause an opponent to lose exactly 1 life

Steps

1. Cause an opponent to lose 1 life
2. Ob Nixilis triggers, putting a +1/+1 counter on itself and exiling the top card of your library
3. All Will Be One triggers, dealing 1 damage to an opponent
4. Repeat from step 2

Results

• Exile your library
• Infinite +1/+1 counters on Ob Nixilis
• Infinite damage