Boa Hancock - PRB02-017 - Super Rare

[Once Per Turn] You may trash 1 card with a [Trigger] from your hand: Your opponent's rested Leader or up to 1 of your opponent's Characters other than [Monkey.D.Luffy] cannot attack until the end of your opponent's next End Phase.
[Trigger] K.O up to 1 of your opponent's Characters with a cost of 4 or less