Snibllfern, The Salmagundi

Non-human creatures you control get +X/+X
where X is the number of creature types among
creatures you control.
{g/u}{g}{u}, {t}: Search your library for a number
of creature cards with total converted mana cost
equal to or less than the number of creature
types among creatures you control. Reveal them,
put one onto the battlefield and the rest into
your hand. Then shuffle your library.