Aluxtron, Control Tower

Flying, vigilance
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
Each vehicle creature you control has crew {1}.
Vehicles you control don't untap during your untap step.
At the beginning of each precombat main phase, if you have the city's blessing, you may untap target Vehicle creature.
Crew 4