Also, we could have an improbability drive! 
You could craft it from short range teleporter, some duct-tape, and any vegetable (preferably a pickle: https://www.youtube.com/watch?v=HIQN_iXpqLU). You can install it in a vehicle and refill it using fresh vegetables. When you activate it, it teleports you and your vehicle to a random place a few maptiles away, destroying obstacles and scorching the earth. It also starts fires, grants you the buff flameshield (There, I cast flameshield on yous. Also, I spat on yous.), and does weird random stuff, like spawning whale corpses, flower pots, nether monsters, mutating you, etcetera. Maybe we can even have a specific monster that can only spawn from this, and keeps yelling to you about the previous times you’ve killed it. :3