Dirianine, Pennate Pixie

While an enchantment, Dirianine Pennate Pixie is a 0/0 blue bird with defender and indestructible.
If you control five or more creatures with
flying, Dirianine, Pennate Pixie is no longer an enchantment and becomes a 7/5 white Fairy
with flying, lifelink and shroud.

"One brush of her feathers and a man's muscles fail
him. They don't last long after that." - Risoff Omo