Zygarde:
Assault Vest Zygarde isn't good, its more of a bulky support mon or set-up sweeper. This doesn't work well with Assault Vest. Here are some sets you can use:
Zygarde @ Leftovers
Ability: Power Construct
EVs: 252 HP / 208 Def / 48 SpD
Impish Nature
- Thousand Arrows
- Glare
- Substitute / Coil
- Rest
This variant aims to stick around and infuriate the opposition. Thousand Arrows is a powerful, high PP, Ground type move that doesn't have any immunities, which makes it very spammable, even on a defensive Pokemon. Glare will slow down would-be switch-ins. Substitute allows you to get closer to 100% and lets you evade status and potentially block a hit. Coil can be used instead to power up Arrows, and can make Zygarde almost unbreakable on the physical side after a few boosts. Rest is key on this set, because all walls need recovery. With Garde's massive physical bulk and tremendous HP stat, it should probably be fine after 2 Rest turns.
Zygarde @ Leftovers / Groundium Z
Ability: Power Construct
EVs: 16 HP / 224 Atk / 24 Def / 12 SpD / 232 Spe
Jolly / Impish Nature
- Thousand Arrows
- Substitute
- Dragon Dance
- Dragon Tail
With the Speed EVs, Zygarde outspeeds Smeargle, with or without Jolly. This means free Substitute while Smeargle tries to use Spore. Dragon Dance while it switches (no, this isn't a matchup reliant Pokemon at all). Dragon Tail is a pseudo-haze that can force Stealth Rock damage and has an alright base power. Leftovers is generally preferred, however I have been experimenting with Groundium Z. Groundium Z Thousand Arrows has a good chance to OHKO standard Primal Groudon after Stealth Rock and after a boost, OHKOes Necrozma-DM after slight chip damage like Stealth Rocks + 1 layer of Spikes.
Zygarde @ Safety Goggles
Ability: Power Construct
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Glare
- Thousand Arrows
- Haze
- Rest
This is some neat tech Swastik created that completely ruins Smeargle and Vivillon, which rely on sleep. Smeargle can baton pass boosts thanks to Moody, however the switch-in will get Hazed. Max Speed Smeargle also outspeeds this set, making the Haze guaranteed.
Galarian Zapdos:
Choice Band G-Zapdos is much better than Assault Vest. In Nat Dex AG, Mega Rayquaza and Marshadow are much better than Galarian Zapdos.
Rayquaza-Mega @ Life Orb
Ability: Air Lock ---> Delta Stream
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Ascent
- V-create / Earthquake
- Extreme Speed
- Dragon Dance
You don't need Dragon STAB on this set, as it doesn't hit anything really important outside of Zygarde. Dragon Ascent 2HKOes physically defensive Primal Kyogre. On the switch-in, Zygarde will take a lot of damage, putting it in Extreme Speed range. Extreme Speed picks off faster Pokemon, like a weakened Dragon Dance Ultra Necrozma and Geomancy Xerneas. V-create can be used to demolish almost everything, but it gets rid of boosts and makes you prone to being walled by Tyranitar and Mega Tyranitar.
Marshadow @ Life Orb
Ability: Technician
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Poltergeist
- Close Combat
- Shadow Sneak
- Bulk Up
Poltergeist is stronger than Spectral Thief, and Marshadow gets outsped by or faints to anything that has accumulated boosts, anyway. It also reveals the enemy's item which is cool. STAB Close Combat hits the rare Chansey as well as Dark Arceus. Shadow Sneak is good for revenge-killing. Marshadow forces switches on many weakened threats, and naturally forces Necrozma-Dusk Mane and Calyrex-Shadow to switch, giving it a free opportunity to use Bulk Up. Stealth Rock support is appreciated to wear down Pokemon like Yveltal and Mega Rayquaza.
Lycanroc Midnight form:
It isn't good in NDAG. If you want a Rock type, you use Tyranitar or its Mega.
Tyranitar @ Leftovers / Shuca Berry
Ability: Sand Stream
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Pursuit
- Foul Play
- Thunder Wave
- Rest / Stealth Rock
Pursuit does damage to something trying to switch. With Sand Stream, Careful Nature, and 252 Special Defense EVs, Tyranitar can survive Calyrex-Shadow's Leaf Storm with ease, and then Pursuiting it, which is an easy OHKO. +1 Mega Rayquaza's Earthquake doesn't OHKO the Shuca Berry variant, letting Ttar use Thunder Wave. Tyranitar can hit Mega Ray with Pursuit as it flees, dealing good damage, or Foul Play to remove a boosted M-Ray completely.
Necrozma Dusk Mane:
That set isn't very viable. Necrozma-DM has a lot of viable sets it can run, but mixed Dragon Dance is not one of them.
Necrozma-Dusk Mane @ Leftovers / Rocky Helmet / Heavy-Duty Boots
Ability: Prism Armor
EVs: 252 HP / 252 Def / 4 SpD
Impish Nature
- Sunsteel Strike
- Toxic
- Morning Sun
- Knock Off / Stealth Rock
STAB Sunsteel Strike lets NDM do decent damage to many Pokemon neutral to it. Xerneas gets crushed, -1 Defense Zacian-Crowned gets slammed too. It's a great move to have if you get Taunted. Toxic puts just about anything relevant on a ticking timer, except for Zacian-Crowned and opposing Dusk Manes. Morning Sun is necessary recovery. Knock Off cripples a Pokemon trying to switch in, other than the Primals.
Necrozma-Dusk Mane @ Weakness Policy
Ability: Prism Armor
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Sunsteel Strike
- Earthquake
- Stone Edge / Photon Geyser
- Dragon Dance
Sunsteel Strike is STAB. Earthquake does a lot to Primal Groudon, opposing Dusk Manes, a few others. Stone Edge for Ho-Oh, while Photon Geyser is a nice STAB (physical when NDM's Attack > Special Attack, in this case it's physical). Dragon Dance is obligatory set up. This is intended to be used as a Dynamax Sweeper.
Necrozma-Dusk Mane --> Necrozma-Ultra @ Ultranecrozium Z
Ability: Prism Armor ---> Neuroforce
EVs: 252 Atk / 4 Def / 252 Spe
Adamant / Jolly Nature
- Photon Geyser
- Earthquake
- Stone Edge / Knock Off
- Dragon Dance
Ultra Necrozma is an incredibly dangerous Pokemon. It can stay as Dusk Mane to set up against threats like Zacian-Crowned, Xerneas, and Tyranitar, or instead it can choose to use Dragon Dance against something like Kyogre, Primal Kyogre, Primal Groudon, and/or Mega Rayquaza. It changing typings when Bursting allows it to play mind games with the opponent and leave their team destroyed with one wrong move. Only use Ultra Necrozma if you're not using Groundium Z Zygarde.
Hoopa-Unbound:
Outclased by Yveltal, who is faster and more powerful.
Yveltal @ Life Orb
Ability: Dark Aura
EVs: 4 Atk / 252 SpA / 252 Spe
Rash / Mild / Naive / Hasty Nature
- Oblivion Wing
- Dark Pulse
- Sucker Punch
- Heat Wave / Rock Slide / Focus Blast
Oblivion Wing heals and turns into Max Airstream in Dynamax. Dark Pulse is an incredible wallbreaking tool, since it gets a STAB, Life Orb, and Dark Aura boost. Sucker Punch revenge-kills and allows Yveltal to deal with Chansey when Dynamaxed. Heat Wave covers Zacian-Crowned, Rock Slide hits opposing Yveltal, Focus Blast slams Tyranitar and Mega Tyranitar.
Yveltal @ Choice Band
Ability: Dark Aura
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant / Jolly Nature
- Sucker Punch
- Knock Off
- U-turn
- Rock Slide / Foul Play
Sucker Punch revenge-kills. Knock Off is extremely powerful and removes items. U-turn for momentum. Rock Slide for opposing Yveltal and Foul Play to beat boosters.
Mega Pidgeot:
It isn't good. There are many Pokemon you can use instead. Examples:
Calyrex-Shadow
Zacian-Crowned
Choice Scarf Ditto
Primal Groudon
Primal Kyogre
I cant make sets for these all lol.