Phenax, God of Deception, and Eater of the Dead

Prerequisites

• Phenax, God of Deception on the battlefield
• Eater of the Dead on the battlefield

Steps

1. Activate Eater of the Dead by tapping it, causing a player to mill cards equal to its toughness
2. Activate Eater of the Dead by paying , exiling a creature card from a graveyard and untapping Eater of the Dead
3. Repeat as able

Results

• Near-infinite mill
• Near-infinite self-mill