Fraying Sanity + Terisian Mindbreaker

U identity

Commander legal

The 2 combo pieces

What must be in place

Fraying Sanity attached to an opponent.
Terisian Mindbreaker does not have summoning sickness.

How to execute it

  1. Declare Terisian Mindbreaker as an attacker, attacking the opponent enchanted by Fraying Sanity.
  2. Terisian Mindbreaker triggers, causing the defending player to mill half their library, rounded up.
  3. At the beginning of your end step, Fraying Sanity triggers, causing the opponent to mill the remainder of their library.

What the combo produces