Destruction Tyrant, Volcantyranno

-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. :Engorge (When this unit attacks, you may retire one or more of your other rear-guards. If you do, it is engorged until end of turn) :When your rear-guard is retired, choose up to one of your opponent's rear-guards, retire it, choose one of your rear-guards, and that unit and this unit get +10000 until end of turn.