Dovin's Aether Blimp

Flying
Whenever Dovin's Aether Blimp becomes crewed, you get {e}{e} (two energy counters).
Whenever Dovin's Aether Blimp deals combat damage to an opponent, you may pay {e}. If
you do, tap target permanent. That permanent
doesn't untap during its controller's next untap step.
Crew 3