Spectral Claviger

Whenever a creature an opponent controls enters exile, if Spectral Claviger isn't a crea- ture, it becomes a 4/4 blue angel illusion
with Flying. Whenever Spectral Claviger deals damage, it stops being a creature.
"They seem to respond to disruptions in the Veil. I don't know whether to weep with joy or scream in terror." --Tonn, Royal Magus