It will exist. It will be immune to every type except Fairy and super effective against every type including Fairy. All single typed normal Pokemon will gain a fairy typing too. Any Pokemon with a horn or resembling a pixie will become Fairy type. All Fairy type Pokemon can only breed with those with the same gender. A Fairy type one hit ko with 95% accuracy will be introduced as will a fairy type entry hazard similar to Stealth Rock.
This was leaked straight out of my ass like all the other leaks.