[AUTO](RC) Generation Break 1 (This ability is active if you have one or more face up G units in total on your (VC) or G zone):[Counter Blast (1)] When this unit attacks a vanguard, if this unit is boosted, you may pay the cost. If you do, search your deck for up to one card named "Stealth Dragon, Runestar", call it to (RC), shuffle your deck, and at the end of that turn, return the unit called with this effect to your hand.