Piccolo, Demonic Transformation (BT11-099) [Vermilion Bloodline]

Product Details

[Counter:Play] If your Leader Card is mono-yellow : Play this card, then if the card being played has an energy cost of 4 or less, it's played with its skills negated for the turn.
[Permanent] During your opponent's turn, reduce the energy cost of this card in your hand by 1.