Demon Sea Queen, Maread (GR)

[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]:[Counter Blast (1) & Choose a face down card from your G zone, and turn it face up & Choose a card from your hand, and discard it] Choose up to the same number of normal units from your drop zone as the number of face up cards named Demon Sea Queen, Maread in your G zone with the sum of their grades being 4 or less, call them to separate (RC), and increase this unit's [Power] by the sum of the original [Power] of the units called with this effect until end of turn.