Eliminating a Nuisance (BT22-131) - Critical Blow Foil

[Activate:Main] [Limit 1] If your Leader is a black "Fu" card : Look at up to 5 cards from the top of your deck, place up to 1 black "Cumber" in your Z-Deck face up, then shuffle your deck.
[Activate:Battle] (-), send this card from your Drop to your Warp: Choose up to 1 of your black "Fu" cards, and it gets +15000 power for the battle.