Thunderstrike 2 (This ability is active when your opponent's bind zone has two or more cards):[Soul Blast (1)] When this unit boosts, you may pay the cost. If you do, until end of that battle, the boosted unit gets +3000, and "(VC/RC): When this unit's attack hits a vanguard, you may pay the cost. If you do, your opponent chooses one of his or her rear-guards, retires it, and binds that card face up.".