Flame Emperor

[Main] If your Leader is [Portgas.D.Ace], K.O. up to 1 of your opponent's Characters with 8000 power or less, and your Leader gains [Double Attack] and +3000 power during this turn. (This card deals 2 damage.)
[Trigger] K.O. up to 1 of your opponent's Characters with 6000 power or less.