Ashnod's Altar + Dual Nature + Heidar, Rimewind Master + and 2 others

GUR identity

Commander legal

The 5 combo pieces

What must be in place

Heidar does not have summoning sickness.
You control at least four snow permanents.

How to execute it

  1. Cast Rograkh by paying {0}.
  2. When Rograkh enters the battlefield, Intruder Alarm and Dual Nature's first ability triggers.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Resolve the Dual Nature trigger, creating a token copy of Rograkh.
  5. Activate Ashnod's Altar by sacrificing the Rograkh token, adding {C}{C}.
  6. Activate Heidar by paying {2} and tapping it, returning Rograkh to your hand from the battlefield.
  7. Dual Nature's second ability triggers, exiling nothing.
  8. Repeat.

What the combo produces