Riverchurn Monument + Traumatize

Mana needed: {5}{U}{U}{U}{U}

U identity

Commander legal

The 2 combo pieces

What must be in place

You have not activated Riverchurn Monument's exhaust ability.

How to execute it

  1. Cast Traumatize by paying {3}{U}{U}, causing a player to mill half their library, rounded down.
  2. Activate Riverchurn Monument's exhaust ability by paying {2}{U}{U} and tapping it, causing each player to mill cards equal to the number of cards in their graveyard, thus causing the player targeted by Traumatize to mill the rest of their library.

What the combo produces