Charles Fort

+1: Choose a color. Until end of turn, all permanents you control are the chosen color in addition to their other colors.
-3: Choose a creature type, then place a 'Damned' token on target creature. That creature is the chosen type in addition to it's other types.
-7: Search your library for a card named Book of the Damned, reveal it, and put it into your hand. If you search your library this way, shuffle.