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sorry for getting back to you so late. the Mystery egg event form a few weeks ago. you can download a mystery egg which hatch into any of 3 pokemons. Ash's pidove, Dento's pansage and iris kibago.
what 5th gen pokemons are you looking for? I have a small(but growing) selections 5th gen EggMove+IV breed pokemons and a large selection of female pokemons with DW abilities(not listed).