Author Hiro Mashima drew some bonus art for this, but then posted the “vs.” theme trial pieces he had sketched.
November 17th’s Fairy Tail volume 58 was supposed to have a Fairies’ Christmas OAD, but due to a delay, it was instead offered with OAD 8, the adaptation of Fairy Tail S #1 omake Natsu vs. Mavis (OAD 9, the Christmas episode will instead be released in December).