Philosopher's Stone

Equipped creature gains +2/+2 and indestructible. It also gains the abilities:
-{t}: Search your library for an alchemy card, add it to your hand and shuffle your library.
-{b}{b}{b}{t} Sacrifice this creature: Search your library, graveyard or exile for a homunculus creature and put it on the battlefield with this artifact attached to it.
Equip cost: {3}.