Hitokiri Kamazo (OP01-108) [Romance Dawn]

[On K.O.] DON!! -1 <em>(You may return the specified number of DON!! cards from your field to your DON!! deck)</em>: K.O. up to 1 of your opponent's Characters with a cost of 5 or less.
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<a href="https://en.onepiece-cardgame.com/rules/errata_card/#group_20221111-69">This card has been officially errata'd.</a>