Hirudegarn, Catastrophic Combination

[Barrier] [Dual Attack] [EX-Evolve]B: "Hirudegarn" card with an energy cost of 3. [Auto] When this card is played, choose up to 1 of your opponent's Battle Cards with an energy cost of 4 or less and return it to its owner's hand. [Active: Main] [Limit 1](You can only activate this skill once per turn across all copies of this card.) BB, if your opponent has 4 or more energy: Choose up to 1 green "Hirudegarn" card with an energy cost of 6 in your hand and play it on top of this card.