Forbidden Power BT15-119 [SPR]

Saiyan Showdown [BT-15]

[Counter:Attack] If your Leader Card is yellow : Your opponent can only attack with Battle Cards one more time for the turn.
[Activate:Battle] If your Leader Card is yellow and it's your turn : Choose up to 1 of your opponent's Battle Cards ignoring [Barrier], and switch it to Rest Mode, then choose up to 1 of your yellow cards and it gets +10000 power for the battle.