AI DraftFeb 26, 2026
Combat Celebrant + Kiki-Jiki, Mirror Breaker
Overview
If you attack with Combat Celebrant and exert it as it attacks, its triggered effect untaps your other creatures and creates an additional combat phase after this one. You can use the untapped Kiki-Jiki, Mirror Breaker to 
: create a token copy of Combat Celebrant with haste, then attack with that token in the additional combat and exert the token to untap Kiki-Jiki and create another additional combat. Repeating that sequence produces arbitrarily many extra combat phases. This sequence uses the attacker declaration/exert timing , the fact that the Celebrant’s untap/extra-combat effect is a triggered ability that goes on the stack , and the official ruling that you still get the additional combat even if the exerted creature doesn’t survive [Ruling 2017-04-18].
: create a token copy of Combat Celebrant with haste, then attack with that token in the additional combat and exert the token to untap Kiki-Jiki and create another additional combat. Repeating that sequence produces arbitrarily many extra combat phases. This sequence uses the attacker declaration/exert timing , the fact that the Celebrant’s untap/extra-combat effect is a triggered ability that goes on the stack , and the official ruling that you still get the additional combat even if the exerted creature doesn’t survive [Ruling 2017-04-18].Step 1
Declare attackers and choose to attack with Combat Celebrant; as part of declaring attackers you may exert it as it attacks (this choice is made during the declare attackers process) .
Step 2
When you exert Combat Celebrant, its triggered effect goes on the stack and will untap all other creatures you control and create an additional combat phase after this phase when it resolves .
Step 3
When that triggered ability resolves, untap Kiki-Jiki (and any other creatures it untaps). The Celebrant stays exerted/tapped (and will not untap during your next untap step per its text).
Step 4
Proceed through the rest of the current combat phase as normal and finish it (combat damage, end of combat, etc.). The additional combat phase is scheduled to occur after this combat phase .
Step 5
After the current combat finishes but before the additional combat’s declare attackers step begins (you get priority at the appropriate time), activate Kiki-Jiki’s : create token ability. Because Kiki-Jiki was untapped by Celebrant’s trigger, you can tap it to make a token copy of Combat Celebrant; the token has haste and is sacrificed at the beginning of the next end step.
: create token ability. Because Kiki-Jiki was untapped by Celebrant’s trigger, you can tap it to make a token copy of Combat Celebrant; the token has haste and is sacrificed at the beginning of the next end step.Step 6
In the additional combat’s declare attackers step, declare the token copy as an attacker. Because the token has haste it is eligible to attack even though it just entered the battlefield, and because it hasn’t been exerted this turn you may exert it as it attacks.
Step 7
As you exert the token when declaring it as an attacker, that exert triggers (like the original) and, when that triggered ability resolves, it untaps other creatures you control (including Kiki-Jiki) and schedules yet another additional combat phase after this one .
Step 8
Because Kiki-Jiki is untapped again, you can activate it during the appropriate window after this combat to create another token copy and repeat the process, yielding arbitrarily many extra combat phases. The fact that the token will be sacrificed at the beginning of the next end step does not prevent its exert trigger from creating another combat phase [Ruling 2017-04-18].
Resolution
You can loop additional combat phases: attack and exert Combat Celebrant to untap Kiki-Jiki and create an extra combat phase; tap Kiki-Jiki to make a token copy of Combat Celebrant (it has haste); attack with and exert that token in the extra combat to untap Kiki-Jiki and create another extra combat; repeat. The Celebrant’s trigger that untaps other creatures and creates the additional combat goes on the stack and resolves as a normal triggered ability , and the extra combat is granted even if the exerted creature won’t survive until that extra combat [Ruling 2017-04-18].
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