Lightform Mage

Lifelink, menace
Grace {2}{w}{r} (Whenever a player casts a nonceartue spell, you may pay {w}{r}. If you do, attach this card to that spell's controller. It becomes an Aura.)
If Lightform Mage is attached to a player, it looses lifelink and gains "Creatures enchanted player controls have lifelink and menace."