Steam Performer, Hurrya

[AUTO]:When this unit is placed on (RC) by the ability of your card, if you have a <Gear Dragon> vanguard, and your opponent's vanguard is grade 3 or greater, [COST][Counter-Blast 1 & choose a <Dark States> normal unit from bind zone, and put it on the bottom of the deck], and for each grade of the chosen card for this cost, this unit gets [Power]+5000 until end of turn.