Angel of Eternal Dawn 
Creature — Angel
Flying When this creature enters, it becomes day. It can't become night. Your opponents can't cast spells with mana value greater than the number of turns they have begun.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL