Unforseen Outcome

Hidden Agenda (Start the game with this conspiracy
face down in the command zone and secretly name a
card. You may turn this conspiracy face up any time
and reveal the chosen name.)
When the chosen name is revealed, you may
search your library for a card with that name and
put it into your hand, if you do, it gains "You can
and must pay life equal to double this cards
converted mana cost to cast it from your hand"