Mirror-Mad Phantasm + Sakashima's Will

Mana needed: {4}{U}{U}

U identity

Commander legal

The 2 combo pieces

What must be in place

An opponent controls a creature.
You control a commander.

How to execute it

  1. Cast Sakashima's Will by paying {3}{U}, causing you to gain control of a creature an opponent controls, then causing all creatures you control to become a copy of Mirror-Mad Phantasm until end of turn.
  2. Activate the creature your opponent owns by paying {1}{U}, causing its owner to shuffle the creature into their library, and then mill their entire library.

What the combo produces