Secret Keeping

Counter target spell. If Secret Keeping's madness cost was payed, destroy target nonland permanent.
Transmute {1}{u}{b} ({1}{u}{b}, Discard this card: Search your library for a card with the same converted mana cost as this card, reveal it, and put it into your hand. Then shuffle your library. Transmute only as a sorcery.)
Madness {u}{b}