Mastery of the Unseen
From Murders at Karlov Manor Commander set
Mastery of the Unseen
Enchantment
Whenever a permanent you control is turned face up, you gain 1 life for each creature you control.
: Manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
