Treasure Keeper

Treasure Keeper {4}

Artifact Creature - Construct | Power/Toughness: 3 / 3
When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with converted mana cost 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.