Cursed-Flame Phoenix

Ascend
Cursed-Flame Phoenix has flying, haste and
"You may cast this spell from your graveyard."
as long as you have the city's blessing.
Fathomless descent —When you cast Cursed-
Flame Phoenix from your graveyard, it gets
+X/+0 until end of turn, where X is the number
of permanent cards in your graveyard.