Merciless Mutant Deity, Darkface (G-TCB02/S03EN) [The GENIUS STRATEGY]

[Stride]-Stride Step-[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. [ACT](VC)[1/Turn] Dark Device (Active when your opponent has no [Stand] units in the same column as this unit) : [Counter Blast (1) & Choose a face down card from your G zone, and turn it face up] Choose up to the same number of your opponent's rear-guards as the number of face up cards named "Merciless Mutant Deity, Darkface" in your G zone, and until end of your opponent's next turn, they get"[CONT](RC):This unit cannot intercept, and cannot be chosen by your card effects and costs.", and for each rear-guard chosen with this effect, this unit gets [Power]+5000 until end of turn.