Chronicler of the Fight

Ascend (If you control ten or more permanents,
You gain city's blessing for the rest of the game.)
If you have the city's blessing, Chronicler
of the Fight gains Hexproof, Lifelink, Vigilance,
Indestructible, and Flying, and cannot be
sacrificed.
Whenever a permanent enters or leaves the
battlefield, you gain 1 life.