SS2 Kefla, Lightning Speed

[Energy-Exhaust] [Double Strike] [Blocker] [Auto] When this card is played, choose up to 1 of your opponent's Battle Cards, ignoring [Barrier], and place it at the bottom of its owner's deck. [Activate:Main] [Limit 1] If your opponent has 3 or more energy and you choose 1 card in your hand and discard it : This card gains [Dual Attack] for the turn. If the card you discarded with this skill is a copy of this card, draw 2 cards, then choose up to 1 of your opponent's cards and switch it to Rest Mode.