Well ever since out type change, haven't really been doing much with the nation yet. So here's a list of all the big ass threats we have now including some ubers. (Ubers will be bold, Mega's in italics)
Breloom, Bliss/Chans, Conkeldurr, Espeon, Mega-Gardevoir, Keldeo, Lati@s, Mega Medicham, Smeargle, Terrakion, All forms of Deoxys, Mega Blaziken, Arceus, Mega Kangaskhan, Mega Lucario, Lugia, Mega Mewtwo X-Y, Mega Alakazam, Diggersby, Hawlucha, Mega Heracross, Staraptor, Azelf, Uxie, Mesprit, Mew, Celebi, Victini, Jirachi, Metagross, Chesnaught, Gothitelle, Infernape, Lucario, Machamp, Mienshao, Porygon 2-Z, Scrafty, Slowbro, Starmie, Toxicroak, WOBBUFFET MASTER RACE, Ambipom, Braviary, Bronzong, Cincinno, Claydol, Cobalion, Cresselia, Delphox, Emboar, Exploud, Gallade, Heliolisk, Hitmon-chan-lee-top, Meloetta, Reuniclus, Slowking, Virizion, Sigilyph, Audino, Beheeyem, Boufallant, Bibarel, Castform, Chatot, Chimecho, Delcatty, Ditto, Dodrio, Dunsparce, Exeggutor, Farfetched, Fearow, Furfrou, Furret, Girafarig, Grumpig, Hariyama, Hypno, Jynx, Kecleon, Lickilicky, Linoone, Lopunny, Lunatone, Malamar, Meowstic, Miltank, Mr. Mime, Musharna, Noctowl, Pangoro, Persian, Pidgeot, Poliwrath, Primeape, Purugly, Pyroar, Raticate, Regigas, Sawk, Slaking, Solrock, Spinda, Stantler, Stoutland, Swellow, Swoobat, Tauros, Throh, Unfezant, Unown, Ursaring, Watchog, Wigglytuff, Xatu, and Zangoose.
Threats we need to look out for.
Aegislash, Breloom, Azumarill, Charizard, Clefable, Dragonite, Gardevoir, Gengar, Gliscor, Greninja, Gyarados, Keldeo, Landorus-I-T, Lati@s, Mandibuzz, Mega Mawile, Mega Pinsir, Scolipede, Mega Scizor, Skarmory, Sylveon, Talonflame, Terrakion, Thundurus, Togekiss, Tyranitar, Zapdos, Arceus, Genesect, Mega Gengar, Giratina-Regular-Origin, Ho-Oh, Mega Lucario, Lugia, Rayquaza, Shaymin-Sky, Xerneas, Yveltal, Crawdaunt, Mega Gardevoir, Hawlucha, Mega Heracross, Klefki, Salamence, Staraptor, Thundurus-T-I, Tornadus-T-I, Venomoth, Volcarona, Weavile, Mega Absol, Mega Aerodactyl, Chandelure, Chesnaught, Crobat, Florges, Forretress, Galvantula, Honchkrow, Infernape, Jirachi, Krookodile, Celebi, Lucario, Metagross, Noivern, Sableye, Scrafty, Slowbro, Starmie, Toxicroak, Trevenant, Umbreon, Victini, Froslass, Shuckle, Aromatisse, Banette, Braviary, Bronzong, Claydol, Cofagrigus, Cresselia, Delphox, Doublade, Drapion, Durant, Emboar, Escavalier, Fletchinder, Gligar, Golbat, Jellicent, Moltres, Sharpedo, Skuntank, Slowking, Virizion, Whimsicott, Yanmega, Zoroak, Sigilyph, Accelgor, Altaria, Archeops, Armaldo, Articuno, Beautifly, Beedrill, Butterfree, Cacturne, Carbink, Chatot, Crustle, Dedenne, Delibird, Dodrio, Drifblim, Dusknoir, Dustox, Emolga, Exeggutor, Farfetched, Fearow, Girafarig, Golurk, Gourgeist, Granbull, Illumise, Jumpluff, Jynx, Kricketune, Leavanny, Leadian, Liepard, Lunatone, Malamar, Mantine, Masquerain, Mightyena, Mismagius, Mothim, Mr. Mime, Ninjask, Noctowl, Pangoro, Pidgeot, Poliwrath, Rotom, Rotom-Fan, Shedinja, Shiftry, Slurpuff, Solrock, Spiritomb, Swanna, Swellow, Swoobat, Tropius, Unfezant, Vespiquen, Vivillon, Volbeat, Wormadam, and Xatu.