SS Son Goku, Might in the Making (EX19-03) [Special Anniversary Set 2021]

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[Auto] If your Leader Card is a blue "Saiyan" card : When this card in your hand is placed in your Drop Area by a [Union-Fusion] skill, activate this skill. At the end of the turn, switch up to 1 of your energy to Active Mode.
[Activate:Battle] [Once per turn] Choose up to 1 of your opponent's Battle Cards, and it gets -10000 power for the turn.