I am aiming to complete the national Pokedex in gen 7.
I have all 493 of the 4th gen National Dex. But I got lazy after completing that dex and didn't bother with gen 5 and onward. I am actually surprised that I need less the 100 Pokemon to have them all. And most are pretty easy to get. So it shouldn't take me very long to complete it. And have all 807 pokemon. With two mythical exceptions.
So, I need 59 Pokemon.
Swampert (I actually have a Swampert, I just need to transfer him over from my OR game) Pignite(easy, just need to evolve one of my Tepig.) Unfezant male (I guess it is time to hit the 5th gen games. Luckily I have them all. Tranquill is found on route 12 in Black and White. It evolves at level 32.) Unfezent female (I use to have one, I know I did. But she has gone missing. I most go looking for her. Or I will likely just evolve one like I am going to do with the male.) Palpitoad (I could evolve one, or just go hunting for one on route 8 in B&W.) Leavany (I am going to have to do some hunting for Swadloon on route 6 in B&W. Then I evolve it with friendship.) Whirlipede (this actually bites a bit. I had two, and then I deleted them along with the two shinies, and a few other helpful Pokemon when I restarted my OR game. Luckily it's first stage is easy to find in X, or I could try catching a Whirlpede in the Pinwheel Forest in B&W) Whimsicott (Need to get a Sun stone to use on a Cottonee.) Basculin Blue (Lostlorn Forest, rippling water in Black.) Darumaka (I can get one through breeding.) Carraosta (evolves at level 37) Archeops (also evolves at level 37. I will need to breed them to get the first stages again.) Cinccino (I need a shiny stone) Dousion (evolves at level 32.) Swanna (I can catch one of these in the wild in Ultra Moon. In the red ultra wormhole.) Vanillish (evolves at level 35.) Vanilluxe (evolves at level 47.) Jellicent female (need to level my female Frillish up to level 40.)
Galvantula (evolves at level 36)
Klink (more breeding) Klang (need to level one of my two new Kilnk to level 38 to evolve it.) Eelektrik (level to 39) Haxous (more breeding, and leveling. Or I could try to get a Fraxure in the wild. I believe they can be found on Victory Road in Black and White.)
Cryogonal (found in Twist Mountain in B&W or B2&W2)
Braixen (evolves at level 16) Flethinder (evolves at level 17) Spewpa (evolves at level 9) Pyroar male (can catch one in Ultra Moon in Poni Plains.) Pyroar female (can catch one in Ultra Moon in Poni Plains. And it will be easier then getting the male unless I just get lucky, and find a male right off the bat.) Doublade (evolves at level 35.) Aegislash (Evolves when a Dusk Stone is used on it.) Binacle (I can breed for this one) Clauncher (I can also breed for this one.) Tyrantrum (I have one on X I just need to transfer Baby over.) Bergmite (I can breed for this one too.)
Volcanion (this one will be a pain to get since it is a Mythical Pokemon that I missed the promo for.)
Rowlet (If I use wonder trade long enough, one or more will show up. Or I could just breed for it.) Dartrix>/strike> (then I can evolve one to get this guy at level 17.) Brionne (I can breed for it.) Trumbeak (I can catch one on route 5 or 8.) Crabominable (evolve it by leveling on Mount Lanakila.) Oricorio red, Oricorio pink and Oricorio purple (can breed to get three Oricorio, and then use the nectar to change them.) Toxapex (evolves at level 38.) Dewpider (can easily catch one at Brooklet Hills.) Lurantis (evolves at level 34 during the day.) Stufful (breeding will be just as easy as catching one in the wild.) Tsareena (going to have to evolve my Steenee, then evolve my bounsweet. and then breed to get another bounsweet.) Wimpod (have one un Ultra Sun, just need to transfer it.) Paloosand (evolves at level 42.) Silvally (Going to have to get friendly with one of my three Type: Nulls.) Bruxish (Found on route 13, 14, or 15 while fishing.) Drampa (I had one, but he seems to have vanished along with my Kingdra, and female Unfezant. Anyways I will need to catch a new one on Mount Lanakila.) Hakamo-o (evolves at level 35.) Cosmoem (this one will be a bit of a challenge to get, I need to see if I can get Comsmog in Ultra Moon. If I can, then I can just evolve.)
Magearna (another Mythical that I missed the promo for)
Naganadel (I need to play through the rest of Ultra Sun and then evolve the one I get in that game. Evolves by leveling while knowing the move Dragon Pulse.)
Blacephalon (need to catch it in Ultra Sun, in Poni Grove.)
I figured a list will be the easiest way to keep track of them all, as well as how to get them.