Ultimate Squad BT17-139 Piccolo, Fusing With Nail

Dragon Ball Super
Piccolo, Fusing With Nail
Regular
Rare
Skill
[Energy-Exhaust][Critical] [Permanent] Once per turn, if this card would be KO'd in battle, you may place 1 card from under this card in its owner's Drop Area instead. [Activate : Battle][Once per turn] Switch this card to Rest Mode : Choose up to 1 of your opponent's Battle Cards with an energy cost of 5 or less in Rest Mode and KO it. If you KO'd a card, your opponent discards 1 card from their hand.

From Ultimate Squad Set