Bruvac the Grandiloquent, and Lord Xander, the Collector

Prerequisites

• Bruvac the Grandiloquent on the battlefield
• Lord Xander, the Collector on the battlefield

Steps

1. Declare Lord Xander as an attacker, triggering its ability, causing an opponent to mill a number of cards equal to half their library, rounded down, times two due to Bruvac

Results

• Infinite mill for target opponent