Gear Goat of Aperture Leaping

:When this unit attacks, if you have a Gear Dragon  vanguard, 1, and this unit gets +5000 until end of that battle. :At the end of the battle this unit attacked, if you have a Gear Dragon  vanguard, [ 3 & put this unit on the bottom of the deck], draw a card, choose up to one of your rear-guards or up to one card from your bind zone, and put it on the bottom of the deck.