Effigy, Become Authentic

The targeted object will become the real version of what it depicts. For example, if the target was a knight on a chessboard, after the spell is cast, the chess piece will become a live horse. Or if it's cast on a wooden toy sword, it will become a bona fide steel sword. The object the spell is cast on will assume the size of its real (in-game) world counterpart. The object the spell is cast on will also assume the material of its real (in-game) world counterpart. Any models of machines or devices that are transformed will have full functionality. Any magic items that are produced by the spell will retain their arcane abilities. Any depictions of a living thing will become fully animate, and paintings of people will crawl out of the painting as a full person and not just what's visible from the painting (portraits won't just be the person from the waist up). Once the time is up, the object will disappear and it won't revert to its original form