Alakazam
Gets no miss Focus Blast
Blissey
100% Accuracy Move in Sing and can cure your team of sleep
Chandelure
Best user of Inferno
Chansey
See Blissey
Dragonite
Lots of buffed moves like Dragon Rush, Thunder, Blizzard, Hurricane, Aqua Tail, Fire Blast, Draco Meteor etc.
Durant
Hustle has no acc. drop anymore
Garchomp
Gets Dragon Rush, Aqua Tail, Stone Edge and Fire Blast
Gengar
Gets Hypnosis and Focus Blast
Heatran
Gets no miss Magma Storm
Infernape
Gets no miss Fire Blast and Focus Blast
Keldeo
Gets no miss Hydro Pump
Latias
The fact that there are no Crits makes setting up with it way easier
Magnezone
Gets Zap Cannon
Moltres
No miss Fire Blast and Hurricane (even on sun)
Nidoking
Sheer Force still works and gets to use it with better moves
Nidoqueen
See Nidoking
Ninetales
No miss Fire Blast, WoW, Hypnosis and Inferno
Politoed
No miss Hydro Pump
Porygon2
See Porygon-Z
Porygon-Z
No miss Zap Cannon and Blizzard which gives it good coverage and it can Paralyze things faster than it as well as having an easier time setting up Trick Room or setting up without critical hits
Regice
Gets no miss Zap Cannon, Blizzard and Focus Blast, also is hard to take down with special moves without random critical hits
Reuniclus
No crits making set-up easier and no miss Focus Blast
Sableye
No miss WoW and no crits makes absorbing hits and stalling way easier for it
Skymin
127 Speed + a sleep move and good coverage
Starmie
Gets Hydro Pump, Blizzard and Thunder for high powered coverage
Terrakion
No miss Stone Edge
Thundurus-Therian
Gets Thunder and Focus Blast
Togekiss
Gets Hustle Espeed and various non-missing attacks like Fire Blast and Air Slast
Tornadus
Gets Hurricane, Focus Blast and Priority Taunt to stop Sleep moves
Tyranitar
Gets a lot of buffed moves like Stone Edge, Aqua Tail, Blizzard, Thunder, etc.
Venusaur
Gets no miss Sleep at incredible speed, also no miss Leech Seed
Volcarona
Gets no miss Fire Blast and can use Hurricane as coverage
Weavile
Gets DynamicPunch to give it great coverage and can annoy opponents to death
Whimsicott
Priority sleep is good, as well as tons of support and other good no miss Status like Leech Seed and Stun Spore
Zapdos
Gets no miss Zap Cannon and Thunder
Even though this list doesn’t look like it, a ton of defensive Pokemon are viable, most of them just didn’t get really notable buffs, but they can handle this metagame better and no crits boost every defensive Pokemon, as well as the fact that most status moves got more accurate, please say it if I forgot something :].