Cooler, Sibling Cruelty (BT17-068) [Ultimate Squad]

Product Details

[Double Strike]
[Permanent] For each green Unison Card in your Drop Area, reduce the energy cost of this card in your hand by 1.
[Auto] When this card is played, you can't play copies of this card this turn. Additionally, you may place 1 green Unison Card with a specified cost of 3 or less from your Drop Area at the bottom of your deck. If you do, your opponent discards 1 card from their hand.