Destruction Tyrant, Gyangchuraptor (V-SS05/S10EN) [Premium Collection 2020]

"[Stride]-Stride Step-[COST][Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] [Stride] this card on your (VC) from face down. [AUTO]{(VC)}[1/turn]:When your rear-guard is placed from hand, you may put three cards from your drop zone face down as equip gauge for that unit. [AUTO]{(VC)}:When it attacks, [COST][Counter-Blast 1 & turn a card from your G zone face up], [Stand] all of your rear-guards with three or more equip gauge, choose the same number of your opponent's rear-guards, and retire them."