There's No Longer Any Need for the Seven Warlords of the Sea!! OP10-096 (Royal Blood)

[Main] K.O. up to 1 of your opponent's "The Seven Warlords of the Sea" type Characters with a cost of 8 or less. [Trigger] K.O. up to 1 of your opponent's "The Seven Warlords of the Sea" type Characters with a cost of 4 or less.