Ancient Dragon, Tyrannolegend

:When this unit is placed on or placed by the ability of your card with "Ancient Dragon" in its card name on , this unit gets +10000/drive +1 until end of turn. Then [discard a card from hand], choose a [Front] trigger from your drop, and put it on the top of your deck. /:At the end of the battle this unit attacked, [ 1 & retire one of your rear-guards], and draw a card. :When your drive check reveals a trigger unit, put the top card of your deck face down as an equip gauge for this unit.