Phenax, God of Deception + Consuming Aberration + Maddening Cacophony

Prerequisites

—

Steps

1. 1Cast Maddening Cacophony with kicker by paying , causing each opponent to mill half their library, rounded up.
2. 2Activate Consuming Aberration by tapping it, causing a opponent to mill cards equal to the cards in opponents' graveyards, milling the remainder of their library.

Effects

• Infinite mill for target opponent
• Near-infinite mill