Emperor's Death Beam

[Energy-Exhaust] [Activate:Main/Battle] Choose up to 1 of your opponent's Battle Cards, ignoring [Barrier], and it gets -30000 power for the duration of the turn. [Activate:Main] Send this card from your Drop Area to your Warp : Look at the top card of your deck; if it's a multicolor Extra Card, you may add it to your hand; otherwise, place it on top of your deck.