Rook: Viola Sword (S-CBT02/0034EN) (S-CBT02)

[Counter] [Act] "Oppress" During your turn, you may pay 1 gauge. If you do, put this card on your opponent's open left or right. If this card is on that area, it becomes an oppressed area.
At the end of your turn, if this card is on an oppressed area, destroy a card on your opponent's field. If you do, deal 1 damage to your opponent!