Pick two creatures within range. If a target is unwilling, they must make a Constitution save against your spell save DC. On a successful save, the spell has no effect on either creature. On a failed save, a spectral scale forms below each target, and the caster must choose one of these targets to become heavy and the other to become light.
Heavy. Making a creature heavy will increase their size by one category and make the target weigh up to 500lbs. This target is immune to being knocked prone and has advantage on strength checks and saving throws, but their speed is reduced by 10ft. All items that are worn and carried by this target are also enlarged to match the creature.
Light. Making a creature light will reduce their size by one category and make the target weigh 5lbs or less. This target has an increase to its Dex modifier equal to its Dex modifier + your spellcasting modifier and can jump 5ft higher and 5ft farther, but has disadvantage on strength checks and saving throws. All items that are worn and carried by this target are also reduced to match the creature.
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