Applejack and Rarity have gotten married and went on a honeymoon to the Crystal Caverns in the Crystal Empire. While they are sleeping Rarity subconsciously used the Pony Creation Spell which shot around the entire cave network reflecting off different crystals until it landed back into their room.

Applejack and Rarity then wake up to a third pony in their bed with them who looks weirder than any of the foals created by the spell so far.

Artist Sig. is in coverart. I do not own it.