Vilis, Broker of Blood, Donate, and Kederekt Parasite

Prerequisites

• Vilis, Broker of Blood on the battlefield
• Donate in hand
• Kederekt Parasite on the battlefield
• You control a red permanent
• available

Steps

1. Cast Donate by paying , giving an opponent control of Vilis
2. During that player's next draw step, they draw a card
3. Kederekt Parasite triggers, dealing 1 damage to that opponent
4. Vilis triggers, causing the opponent to draw a card
5. Repeat from step 3

Results

• Infinite card draw for target opponent
• Infinite draw triggers for target opponent
• Near-infinite damage to target opponent