In DnD these spells can target both creatures and objects. I'd say for the mud they should probably only target objects, for game balance. To compensate, instead of their effects lasting for one minute per level, their effects could be the same as the 'resize' command in a tailor's shop - i.e. permanent.Player's Handbook wrote: Enlarge
Transmutation
Level: Sor/Wiz 1
Components: V, S, M
Casting Time: 1 action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature, or one object of up to 10 cu. ft. per level in volume
Duration: 1 minute/level
Saving Throw: Fortitude negates
Spell Resistance: Yes
This spell causes instant growth of a creature or object, increasing both size and weight. The subject grows by up to 10% per
caster level, increasing by this amount in height, width, and depth (to a maximum of 50%).
Reduce
Transmutation
Level: Sor/Wiz 1
Components: V, S, M
Casting Time: 1 action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature or object of up to 10 cu. ft./caster level
Duration: 1 minute/level
Saving Throw: Fortitude negates (object)
Spell Resistance: Yes (object)
This spell causes instant diminution of a creature or object, decreasing its size and weight. Its height shrinks by up to 10% per
caster level, to a maximum reduction of 50%.
Jayson