Name: Postem (Play from Postmortem)
Type:
BST: 70 / 60 / 80 / 65 / 80 / 115
Abilities: Pure Power / Spiritual Force /
Magic Bounce (HA)
(Spiritual Force: Boost the user's Special Attack by 1,75x.)
New Moves: Shadow Claw, Shadow Force, Phantom Force, Shadow Ball, Bulk Up, Calm Mind, Recover, Roost, Energy Ball, Surf, Hone Claws, Focus Blast, Freeze-Dry, Thunder, Thunderbolt, Taunt, Toxic Spikes, Stealth Rocks, Ice Shard, Shadow Sneak, Vacuum Wave, Mystical Fire
Justification/Niche: Despite the death of one Delibird, it came back as a spirit, not stopping the delivery. It high Speed but low Attack and Special Attack make it bad... right? Well with Pure Power or Spiritual Force, it can be either a Physical or Special Sweeper, or use Magic Bounce to become an appropriate entry hazard setter while taunting the victim and inflict Toxic on it. When sweeping, it works best as a set-up or a Choice item user (Choice Scarf only recommended for revenge kill) and got three priority attacks that can fit with either Pure Power (Shadow Sneak and Ice Shard) or Spiritual Force (Vacuum Wave). It's bulk of 70 / 80 / 80 is still not that great, but still not very crippling either.
Name: Ledrake (Ledian + Drake)
Type:
BST: 85 / 90 / 80 / 65 / 80 / 130
Abilities: Bravery / Pixieproof /
Tough Claws (HA)
(Pixieproof: The Pokémon with this Ability will bounce Fairy-type Moves, without any harms, back to the user of these moves.)
New Moves: Dragon Dance, Bulk Up, Bug Bite, Leech Life, Fire Punch, Thunder Punch, Ice Punch (latter two as Level-Up Moves), Dragon Rush, Outrage, Poison Jab, Gunk Shot, Knock Off, Iron Head, Earthquake, Fell Stinger, Attack Order
Justification/Niche: Oh look, it's Goopsyche's nemesis, a Ledian whose evolved into a Dragon-type and learn a lot of coverage. Those aside, with Bravery to shut down Taunts, Knock Offs and any typical Dark-type Moves, or Pixieproof to send back dangerous Fairy-type moves to the user (and you know what? Mimikyu will also smash it's own Disguise with its own Play Rough if not careful enough), or even Tough Claws to make Contact moves stronger. While faster than even Noivern, it really needs an Attack boost to actually strike hard (finishing an opponent with Fell Stinger is a big solution, but that move is a bit situational in general). The four-move syndrome and priority moves are what can stop it, but even Tapu Lele knows not to fool around with this dragon. Attack Order sounds situational for Tough Claws does to Leech Life able to hit harder and recovery, but a high critical hit is appreciable and gives it a Commander-like position.
Name: Lumeption (Lumineon + Deception)
Type:
BST: 100 / 79 / 106 / 99 / 116 / 70
Abilities: Shift Swim / Storm Drain /
Pixilate (HA)
New Moves: Calm Mind, Recover, Hyper Voice, Psychic, Psyshock, Earth Power, Energy Ball, Draining Kiss, Reflect, Light Screen, Cosmic Power, Moonblast, Dazzling Gleam, Baby-Doll Eyes, Psych Up, Quiver Dance
Justification/Niche: While it gains a weakness to Poison-type, both it and Electric can be solved by using Earth Power (which also works well against most Steel-type). Access to Quiver Dance for a Sweep, or Reflect or Light Screen for support, as well as Hyper Voice to exploit with Pixilate if you wanted a stronger Fairy-type Special Attack. It's 99 Special Attack would prevent it from being too powerful, so you need to set up wisely and avoid dangerous threats such as Alolan Muk (if you run it without Earth Power), Ferrothorn and Gengar. It's bulk of 100 / 106 / 116 also make it considerably more durable, and you can use Recover to fix out damage shall you run Life Orb.