Caribou (OP17-101) - The World's Strongest Warriors

[Activate: Main] [Once Per Turn] You may add 1 card from the top of your Life cards to your hand: Give up to 1 of your opponent's Characters 3000 power during this turn.
[Trigger] You may trash 1 card from your hand: K.O. up to 1 of your opponent's Characters with a cost of 5 or less.