Ground Death - OP14-096 - The Azure Sea's Seven (OP14)

[Main] You may rest 2 of your DON!! cards: Negate the effect of up to 1 of your opponent's Characters with a cost of 5 or less during this turn.
[Counter] If you have 10 or more cards in your trash, up to 1 of your Leader or Character cards gains +4000 power during this battle.