Nevaeh, Impulsive Mechanic

Whenever you exile a card you own, you get {e}{e} (two energy counters).
Pay {e}{e}{e}{e}{e}{e}: You may put a vehicle card
from your hand onto the battlefield. It becomes
an artifact creature with haste until end of turn.
That vehicle does not untap during it's
controller's next untap step.
—
It can take you from zero to BOOM! In three
seconds flat.