From a distance, dormant dragon engines can be mistaken for harmless statues. By the time you get close enough to spot the scorch marks, it's too late.

{2}: This creature gets +1/+0 until end of turn.

Dragon Engine

Dominaria Remastered

"How is it the legged engines seem so much more alive than their wheeled counterparts? Simply, they were born, not made."
—Mishra

Classic Sixth Edition

Fifth Edition

Those who believed the city of Kroog would never fall to Mishra's forces severely underestimated the might of his war machines.