Effect
Once per turn, when an opponent's monster declares an attack: You can target 1 face-up "Heroic" monster you control, except this card; this card gains ATK equal to that face-up monster's original ATK, until the end of the Battle Phase.
The monster effect of "Heroic Challenger - Spartan" is a Trigger Effect.
This effect can be activated optionally when an opponent's monster declares an attack.
This effect targets 1 face-up "Heroic" monster in your Monster Zone, other than "Heroic Challenger - Spartan" itself.
If the targeted monster is no longer face-up in the Monster Zone when the effect resolves, the part of the effect that increases its ATK by the original ATK of the selected monster is not applied.
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