Palpatine, The Last Sith Lord

X{r} Deal x damage to each creature target player controls
x{b} Regenerate x target creatures target player controls
x{u}{u} look at the top x cards of your library, choose one with converted mana cost equal to x plus or minus 1 and put it into your hand
When Palpatine, The Last Sith Lord uses an activated ability, if x is greater than 6 copy that activated ability