Haze Shenron, Venomous Mist

: 〈Haze Shenron〉 with an energy cost of 3.
When a card evolves into this card, switch this card to Active Mode, and you can't play copies of this card for the turn.
If your Leader Card is a 《Shadow Dragon》 card and you choose 1 《Shadow Dragon》 card in your hand and discard it : When this card attacks or is used in a combo, choose 1 of your opponent's Battle Cards in Rest Mode with an energy cost greater than their current energy and KO it.