Karma, Lotus Caller

Lifelink, Hexproof
Bestow {1}{g}{w}{u} (If you cast this card for its bestow cost, its an Aura spell with enchant creature. It becomes a creature again if its not attached to a creature.)
Enchanted creature gets, +1/+1, Hexproof,
and {t}: Add {g}, {w}, or {u}.