Blank Slate

Blank Slate enters the battlefield tapped.
This card cannot be sacrificed unless its a land.

{t}: Add {c}.

{3}, {t}, Sacrifice Blank Slate: Search your library for a target nonland permanent, reveal
it and put it in your hand, than shuffle. The target nonland permanent loses it's text box,
and gains this one until it leaves the battlefield by a spell, creature, or activated ability you do not control.