Efficient Construction

Enchant creature or Vehicle As long as enchanted permanent is a Vehicle, it's a creature in addition to its other types. Enchanted creature gets +2/+2 and has flying.

Flying Vehicles you control have flying.

Vigilance When this creature enters, you get EE (two energy counters). Whenever this creature attacks, you may pay EE. If you do, create a 1/1 colorless Servo artifact creature token.

Whenever this creature attacks, you get EE (two energy counters). Pay EE: Exile this creature, then return it to the battlefield under its owner's control.

Flying Revolt — When this creature enters, if a permanent left the battlefield under your control this turn, you gain 5 life.

Choose one — • Target creature you control gets +1/+2 until end of turn. • Return target creature you control to its owner's hand.

This creature can't be blocked by artifact creatures.