Malicious Mimicry

[Activate:Battle] Choose up to 1 'Majin Buu' card in your Leader Area or Battle Area and it gets +15000 power for the duration of the battle.
[Activate:Main] 2, if all of your energy is black, send this card from your Drop Area to your Warp, then choose 1 card in your hand and place it in your Drop Area : Choose up to 1 black 'Majin Buu' card with an energy cost of 2 or less in your Drop Area and play it.