Super Cosmic Hero, X-falcon

(Released when both players' vanguards are grade 3 or greater!)-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :[ 2 & Choose a card from your hand, and discard it] When this unit's attack hits a vanguard, if this unit's power is 45000 or greater, you may pay the cost. If you do, choose one of your opponent's rear-guards, and put it face down into your opponent's damage zone.