4-Cycle T.R.Z Airmaster

This artifact can only be equipped to vehicles.
It remains equipped even when it is no longer a creature.
Equipped Vehicle can only be blocked by
vehicles, and gains +5/+0 and Doublestrike.
Equip: {3} Or, {e}{e}{e}
"It doesn't get any better! That block's got cylinders
with 80mm bores, and puts out 35,000 horses!
It's the last airmaster engine baby!!" - Frisbee,
Redline Mechanic.