Black Arc Dragon, Riverpain

■ [Call Cost] [Pay 1 gauge]

■ Counter [Act] "Black Induction" During an attack phase, destroy a monster on your field. If you do, call up to one 《Black Dragon》 or 《Thunder Empire》 monster from your hand by paying its [Call Cost]. You may only use "Black Induction" once per turn.

■ When this card enters the field, destroy a monster on your opponent's field.

■ Double Attack