Ganan's Galant Orphanarium

When Ganan's Galant Orphanarium enters
the battlefield, creatures you control gain
+1/+1 and lifelink until end of turn.
Creatures you control have hexproof.
{t}, {w}{u}{b}{r}{g}, sacrifice Ganan's Galant Orphanarium: Play any creature card in your hand without paying its Mana Cost.