Lucifer, Son of the Morning

Flying, Haste
When Lucifer, Son of the Morning enters the battlefield, (other) angels you control gain
menace until end of turn.
{3}{w}{b}{r}: Exile Lucifer, Son of the Morning,
then return him to the battlefield transformed
under his owner's control. Activate this ability
only any time you could cast a sorcery.
"How you are fallen from heaven, O Lucifer, son
of the morning!" ~ Isaiah