Grim Monolith + Mind Over Matter + Xantcha, Sleeper Agent

UBR identity

Commander legal

The 3 combo pieces

What must be in place

Xantcha on the battlefield under an opponent's control.

How to execute it

  1. Activate Grim Monolith's first ability by tapping it, adding {C}{C}{C}.
  2. Activate Xantcha by paying {3}, causing its controller to lose 2 life and you to draw a card.
  3. Activate Mind over Matter by discarding a card, untapping Grim Monolith.
  4. Repeat.

What the combo produces