Slithering Vines

Enchant up to one creature (As long as this enchantment is not attached to a creature it remains on the battlefield as though it were not an aura)
Flash, Deathtouch, Living aura (As long as this enchantment is not attached to a permanent it is a creature in addition to its other types and changes its text by replacing all instances of "enchanted permanent" with "this creature")
Enchanted permanent gets +2/+2 and reach.