Artifact

(o can be paid with either {U} or 2 life.)
{1}{PU}, {T}, Exile a spell you control: Target opponent reveals cards from the top of their library until they reveal a card with mana value equal to 1 plus the exiled spell's mana value. Exile that card, then that player shuffles. You may cast that exiled card without paying its mana cost.

Artist(s): Campbell White