Tidal Lock 157 (Mortal Ambition)

As long as you have three or more water element cards in your graveyard, this card costs 2 less to activate. Negate target card activation unless its controller pays (2). Banish the card that had its activation negated this way.

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70