Phenax, God of Deception + Sewer Nemesis + Maddening Cacophony

Prerequisites

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Steps

1. 1Cast Maddening Cacophony with kicker by paying , causing the opponent named by Sewer Nemesis to mill half their library, rounded up.
2. 2Activate Sewer Nemesis by tapping it, causing the opponent to mill cards equal to the cards in their graveyard, milling the remainder of their library.

Effects

• Infinite mill for target opponent
• Near-infinite mill