"Peace? Its sole purpose is fear."
—Saheeli Rai

Peacewalker Colossus

{1}{W}: Another target Vehicle you control becomes an artifact creature until end of turn.
Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Secret Lair Drop

Peacewalker Colossus // Peacewalker Colossus

One way to keep the peace is to make war look like a really bad idea.