Breath of Fury + Savage Ventmaw + Phoenix Chick + Warcry Phoenix
Breath of Fury
Savage Ventmaw
Phoenix Chick
Warcry Phoenix
Infinite combat damageInfinite combat phasesInfinite death triggersInfinite creature ETBInfinite green manaInfinite creature LTBInfinite mana creatures you control can produceInfinite red manaInfinite creature sacrifice triggersInfinite untap of creatures you control
How it works
Declare Warcry Phoenix, Savage Ventmaw and at least one other creature as attackers.
Savage Ventmaw and Phoenix Chick trigger.
Resolve the Savage Ventmaw trigger, adding .
Resolve the Phoenix Chick trigger, causing you to pay to return it from your graveyard to the battlefield tapped and attacking with a +1/+1 counter on it.
Deal combat damage using Warcry Phoenix.
Breath of Fury triggers, causing you to sacrifice Warcry Phoenix, then attach Breath of Fury to Phoenix Chick, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Move to your next combat phase.
Declare Phoenix Chick, Savage Ventmaw and at least one other creature as attackers.
Savage Ventmaw and Warcry Phoenix trigger.
Resolve the Savage Ventmaw trigger, adding .
Resolve the Warcry Phoenix trigger, causing you to pay 2 to return it from your graveyard to the battlefield tapped and attacking.
Deal combat damage using Phoenix Chick.
Breath of Fury triggers, causing you to sacrifice Phoenix Chick, then attach Breath of Fury to Warcry Phoenix, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Move to your next combat phase.
Repeat.
This brilliant loop creates an endless sequence of combat phases by leveraging the explosive mana generation of Savage Ventmaw whenever it attacks. To fuel Breath of Fury's sacrifice-and-reattach requirement, you alternate dealing combat damage with your recursive threats: Phoenix Chick and Warcry Phoenix continually leap back from the graveyard into the fray, effortlessly meeting the attack-trigger threshold alongside a third attacker.