Uvenni’s Magic Mail

Objects of the caster’s choice within a 30 foot by 30 foot cube are instantly mailed/teleported to a mailbox within 100 miles of the caster. Only nonliving things and creatures that are tiny to medium size may be mailed, 

Living creatures that are tiny to medium size may make a Constitution save vs the Spellcaster’s Spell DC to avoid being magically Mailed.

For every spell slot used above 4th level, the distance goes up by 100 miles. If cast using an 8th level spell slot or higher can mail something within a 15 foot by foot square to another plane of the spellcaster’s choice.