Avatar Roku, Firebender + Hellkite Charger + Mirror Room // Fractured Realm

UR identity

Commander legal

The 3 combo pieces

What must be in place

An opponent cannot block and kill Hellkite Charger
Fractured Realm is unlocked.

How to execute it

  1. Declare Hellkite Charger as an attacker, triggering it and Avatar Roku twice.
  2. Resolve both Avatar Roku triggers, adding twelve {R}.
  3. Resolve the first Hellkite Charger trigger, choosing not to pay.
  4. Resolve the second Hellkite Charger trigger, causing you to pay {5}{R}{R} to untap all attacking creatures and to get an additional combat phase after this one.
  5. Repeat.

What the combo produces