There's No Longer Any Need for the Seven Warlords of the Sea!!! [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.