Monkey.D.Luffy (SR)(OP07-109) 500 Years in the Future

[Activate: Main]You may trash this Character: If you have 2 or less Life cards, K.O. up to 1 of your opponent's Characters with a cost of 4 or less. Then, draw 1 card.
[Trigger] K.O. up to 1 of your opponent's Characters with a cost of 4 or less.