Effect
If you control only 1 face-up monster: Target that monster; until the end of this turn, it gains ATK equal to the ATK of the monster your opponent currently controls with the lowest ATK (your choice, if tied).
This effect targets 1 face-up monster in your Monster Zone.
If you only have 1 face-up monster in your Monster Zone, you can activate "Indomitable Fighter" even if you have monsters in face-down Defense Position in your Monster Zone.
If you activate "Indomitable Fighter" during the Damage Step, it must be activated from the start of the Damage Step up to before damage calculation.
If the ATK of the monster with the lowest ATK in your opponent's Monster Zone is 0, you cannot activate "Indomitable Fighter".
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