Sterling Witch, MoMo V-SS07/S03 SR

[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 it attacks, COST [Counter Blast (1) & turn a card from your G zone face up], discard up to three cards from your hand, and for each card discarded, three of your front row units get [Power]+10000 until end of turn. If you discarded three cards, at the end of that battle, [Stand] this unit, and it gets drive -2.

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