Mai, Future Possibilities

[Auto] If there are 1 or more "Trunks : Future" cards in your Z-Energy : When this card attacks, it gets +10000 power for the turn. [Activate : Main][Once per turn] If there are 1 or more "Trunks : Future" cards in your Z-Energy : During your opponent's next turn, the first time they attack with a Battle Card with an energy cost of 5 or more, negate the attack at the start of the battle's Offense Step.