Blaster Blade

:When this unit is placed on or , choose a grade 3 card with an Aichi icon from your ride deck, and you may reveal it. If you revealed a card, or you have a grade 3 or greater vanguard with an Aichi icon, [] or , choose one of your opponent's rear-guards, retire it, and if this unit was placed on , draw a card. []:When this unit attacks a grade 3 or greater unit, if you have a vanguard with an Aichi icon, this unit gets +10000 until end of turn.