Bruvac the Grandiloquent, and Singularity Rupture

Prerequisites

• Bruvac the Grandiloquent on the battlefield
• Singularity Rupture in hand
• available

Steps

1. Cast Singularity Rapture by paying , destroying all creatures and then causing any number of target players to mill a number of cards equal to half their library, rounded down, times two

Results

• Infinite mill
• Infinite self-mill