Clock of Omens + Darksteel Citadel + Prototype Portal + Toggo, Goblin Weaponsmith

R identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Darksteel Citadel.
  2. The Darksteel Citadel token enters the battlefield, triggering Toggo, creating a Rock artifact equipment token.
  3. Activate Clock of Omens by tapping the Darksteel Citadel token and the Rock token, untapping Prototype Portal.
  4. Repeat.

What the combo produces