Ashiok, Wicked Manipulator, and Wall of Blood

Prerequisites

• Ashiok, Wicked Manipulator on the battlefield
• Wall of Blood on the battlefield

Steps

1. Activate Wall of Blood by exiling the top card of your library due to Ashiok, giving Wall of Blood +1/+1 until end of turn
2. Repeat

Results

• Exile your library
• Near-infinitely large Wall of Blood until end of turn