Poison Armament

Bestow {1}{b}{g} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes discarded if it's not attached to a creature.)
Target creature gets +2/+2 and gains wither
and toxic 2 until end of turn.

Enchanted creature gets +2/+2 and has wither and toxic 2.