Blastoise & Piplup GX

Splash Maker (150)
You may attach up to 3 Water Energy from your hand to your Pokemon in any way you like. If you do, heal 50 damage from those Pokemon for each card you attached to them in this way.

Bubble Launcher GX (100+)
Your opponent's Active Pokemon is now Paralyzed. If this Pokemon has at least 3 extra Water Energy attached to it (in addition to this attack's cost), this attack does 150 more damage.. (You can't use more than 1 GX attack in a game.)