Aetherbound Conduit

Ascend (If you control ten or more permanents, you
get the city's blessing for the rest of the game.)

{t}: Add one mana of any color. If you have the
city's blessing, add two mana of any color instead.
Whenever you cast an artifact spell, if you have
the city's blessing, scry 2.
Within the Aetheric Realm, the energy flows boundlessly, empowering those who harness it.