Stormband Dragon

[AUTO]:When this unit is placed on (RC), if you have a grade 3 or greater vanguard with "Eugene" or "Gandeeva" in its card name, [COST][Energy-Blast 3], choose one of your opponent's rear-guards, and retire it. If you did not retire a card, draw a card, and this unit gets [Power]+5000 until end of turn. [AUTO](RC):At the beginning of your battle phase, if your opponent's rear-guard was retired this turn, [Stand] this unit.