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Eminence — At the beginning of combat on your turn, if Arahbo, Roar of the World is in the command zone or on the battlefield, another target Cat you control gets +3/+3 until end of turn.
Whenever another Cat you control attacks, you may pay {1}{G}{W}. If you do, it gains trample and gets +X/+X until end of turn, where X is its power.
If a Cat you control enters the battlefield attacking, it won’t cause Arahbo’s last ability to trigger.
If multiple Cats attack, Arahbo’s last ability triggers that many times. You may pay {1}{G}{W} each time one resolves.
Notably, if your commander is on the battlefield and its eminence ability triggers, but it’s put into the command zone before that ability resolves, that ability won’t do anything as it resolves. This is because an object that changes zones is considered a new object.
Once either of Arahbo’s triggered abilities has resolved, the affected Cat keeps its bonus even if Arahbo changes zones later in the turn.
The value of X is determined only as Arahbo’s last ability resolves. If the attacking Cat’s power is negative at that time, X is 0.
Three eminence abilities are triggered abilities. That creature must be on the battlefield or in the command zone as the trigger event occurs and also as the triggered ability resolves. If the creature is in an appropriate zone as the trigger event occurs but leaves that zone, the ability won’t do anything as it resolves.
While resolving Arahbo’s last ability, you can’t pay {1}{G}{W} multiple times to multiply the effect for one Cat.
