Ward of Lights

Enchantment - Aura, WW (2)
You may cast Ward of Lights as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

Enchant creature

As Ward of Lights enters the battlefield, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Ward of Lights.¹
Illus. Mike Dringenberg

Gatherer Card Rulings [Nov 2009]

• 10/1/2009: The sacrifice occur only if you cast it using its own ability. If you cast it using some other effect (for instance, if it gained flash from Vedalken Orrery), then it won't be sacrificed.

Format Legality	Legal in Vintage, Legacy, MTGO Classic Banned in Extended, Standard
Printings (1/6)	Mirage (Common)