[AUTO](VC):[Choose a card with "Star-vader" in its card name from your hand, and discard it] When this unit is placed on (VC), or when your G unit with "Star-vader" in its original card name Stride, you may pay the cost. If you do, Soul Charge (1), choose one of your opponent's rear-guards, and lock it.
[AUTO]:[Soul Blast (1)] When this card is discarded from hand, if you have a heart card with "Chaos" in its card name, you may pay the cost. If you do, your opponent chooses a card from his or her hand, and puts it on his or her (RC) as a locked card.