Mew

Mew

Viable Abilities: Synchronize

Relevant Support and Utility Movepool: (Almost everything, so I'll list biggest ones) Bulk Up, Calm Mind, Defog, Dragon Dance, Fake Out, Flip Turn, Heal Bell, Iron Defense, Knock Off, Nasty Plot, Roar, Roost, Soft-Boiled, Spikes, Stealth Rock, Swords Dance, Taunt, Toxic Spikes, Transform, Trick, Trick Room, U-turn, Volt Switch, Will-O-Wisp

Coverage: (Same as above) Body Press, Body Slam, Brave Bird, Bug Buzz, Close Combat, Darkest Lariat, Dark Pulse, Dazzling Gleam, Dragon Claw, Drain Punch, Earth Power, Earthquake, Explosion, Fire Blast, Flare Blitz, Flash Cannon, Focus Blast, Giga Drain, Gunk Shot, Hex, Hurricane, Hydro Pump, Ice Beam, Iron Head, Knock Off, Leaf Blade, Liquidation, Megahorn, Play Rough, Poltergeist, Power Gem, Power Whip, Psychic, Psychic Fangs, Psyshock, Rock Blast, Scald, Scorching Sands, Shadow Ball, Shadow Claw, Sludge Bomb, Stored Power, Sucker Punch, Thunderbolt, Triple Axel, U-turn, Volt Switch, X-Scissor

Notable for: By far the widest movepool in the SWSH metagame, almost any move you want or at least a decent substitute for it

Drawbacks: Forced to use Synchronize as a mediocre ability