It's My Student's Farewell. I Want It to Be Proper. (EB04-009) - Adventure on Kami's Island

[Main] You may give 1 active DON!! card to 1 of your [Silvers Rayleigh]: Give up to 1 of your opponent's Characters -2000 power during this turn.
[Counter] Up to 1 of your Characters or [Silvers Rayleigh] gains +2000 power during this battle.