Avatar Roku, Firebender + Hellkite Charger + Isshin, Two Heavens as One
Infinite combat phases, Infinite red mana, Infinitely powerful creatures you control until end of turn
Declare Hellkite Charger as an attacker, triggering it and Avatar Roku twice.
Resolve both Avatar Roku triggers, adding twelve .
Resolve the first Hellkite Charger trigger, choosing not to pay.
Resolve the second Hellkite Charger trigger, causing you to pay to untap all attacking creatures and to get an additional combat phase after this one.
Repeat.
Component Cards
How It Works
Declare Hellkite Charger as an attacker, triggering it and Avatar Roku twice.
Resolve both Avatar Roku triggers, adding twelve .
Resolve the first Hellkite Charger trigger, choosing not to pay.
Resolve the second Hellkite Charger trigger, causing you to pay to untap all attacking creatures and to get an additional combat phase after this one.
Repeat.