Phenax, God of Deception, Consuming Aberration, and Fleet Swallower

Prerequisites

• Phenax, God of Deception on the battlefield
• Consuming Aberration on the battlefield
• Fleet Swallower on the battlefield

Steps

1. Declare Fleet Swallower as an attacker, triggering its ability, causing an opponent to mill half their library, rounded up
2. Activate Consuming Aberration by tapping it, causing the opponent to mill cards equal to the cards in opponents' graveyards, milling the remainder of their library

Results

• Infinite mill for target opponent