Cogwork Assembler + Corridor Monitor + Vhal, Candlekeep Researcher

U identity

Commander legal

The 3 combo pieces

What must be in place

Vhal has at least seven toughness.
Vhal does not have summoning sickness.

How to execute it

  1. Activate Vhal by tapping it, adding at least seven {C} that cannot be used to cast spells from your hand.
  2. Activate Cogwork Assembler by paying {7}, creating a token copy of Corridor Monitor with haste.
  3. The Corridor Monitor token enters the battlefield, untapping Vhal.
  4. Repeat.

What the combo produces