All Known Implementing Classes:

AbilityBase, Absorb, Adaptability, Aerilate, Aftermath, AirLock, Analytic, AngerPoint, Anticipation, ArenaTrap, AromaVeil, AsOne, Ate, Aura, AuraBreak, BadDreams, BallFetch, Battery, BattleArmour, BattleBond, BeastBoost, Berserk, BigPecks, Blaze, Bulletproof, CheekPouch, ChillingNeigh, Chlorophyll, ClearBody, CloudNine, ColorChange, Comatose, ComingSoon, Competitive, CompoundEyes, ContactDamage, Contrary, Corrosion, CottonDown, CuriousMedicine, CursedBody, CuteCharm, Damp, Dancer, DarkAura, DauntlessShield, Dazzling, Defeatist, Defiant, DeltaStream, DesolateLand, Disguise, Download, DragonsMaw, Drizzle, Drought, DrySkin, EarlyBird, EffectSpore, ElectricSurge, EmergencyExit, Error, FairyAura, Filter, FlameBody, FlareBoost, FlashFire, FlowerGift, FlowerVeil, Fluffy, Forecast, Forewarn, FriendGuard, Frisk, FullMetalBody, FurCoat, GaleWings, Galvanize, Gluttony, Gooey, GorillaTactics, GrassPelt, GrassySurge, GrimNeigh, GulpMissile, Guts, Harvest, Healer, Heatproof, HeavyMetal, HoneyGather, HugePower, HungerSwitch, Hustle, Hydration, HyperCutter, IceBody, IceFace, IceScales, IgnoreWeather, Illuminate, Illusion, Immunity, Imposter, Infiltrator, InnardsOut, InnerFocus, Insomnia, Intimidate, IntrepidSword, IronBarbs, IronFist, ItemLure, Justified, KeenEye, Klutz, LeafGuard, Levitate, Libero, LightMetal, LightningRod, Limber, LiquidOoze, LiquidVoice, LongReach, LowHPTypeBoost, MagicBounce, MagicGuard, Magician, MagmaArmor, MagnetPull, MarvelScale, MegaLauncher, Merciless, Mimicry, Minus, MirrorArmor, MistySurge, MoldBreaker, Moody, MotorDrive, Moxie, Multiscale, Multitype, Mummy, NaturalCure, Neuroforce, NeutralizingGas, NoGuard, Normalize, Oblivious, Overcoat, Overgrow, OwnTempo, ParentalBond, PastelVeil, PerishBody, Pickpocket, Pickup, Pixilate, PlayerPartyStorage, Plus, PoisonHeal, PoisonPoint, PoisonTouch, PowerConstruct, PowerOfAlchemy, PowerSpot, Prankster, Pressure, PreventSleep, PreventStatDrop, PreventStatus, PreventStatusTeam, PrimordialSea, PrismArmor, PropellerTail, Protean, PsychicSurge, PunkRock, PurePower, QueenlyMajesty, QuickDraw, QuickFeet, RainDish, Rattled, Receiver, Reckless, Redirect, Refrigerate, Regenerator, Ripen, Rivalry, RKSSystem, RockHead, RoughSkin, RunAway, SandForce, SandRush, SandSpit, SandStream, SandVeil, SapSipper, Schooling, Scrappy, ScreenCleaner, SereneGrace, ShadowShield, ShadowTag, ShedSkin, SheerForce, ShellArmour, ShieldDust, ShieldsDown, Simple, SkillLink, SlowStart, SlushRush, Sniper, SnowCloak, SnowWarning, SolarPower, SolidRock, SoulHeart, Soundproof, SpeedBoost, Stakeout, Stall, Stalwart, Stamina, StanceChange, Static, Steadfast, SteamEngine, Steelworker, SteelySpirit, Stench, StickyHold, StormDrain, StrongJaw, Sturdy, SuctionCups, SuperLuck, SurgeSurfer, Swarm, SweetVeil, SwiftSwim, Symbiosis, Synchronize, TangledFeet, TanglingHair, Technician, Telepathy, Teravolt, ThickFat, TintedLens, Torrent, ToughClaws, ToxicBoost, Trace, Transistor, Triage, Truant, Turboblaze, Unaware, Unburden, Unnerve, UnseenFist, VictoryStar, VitalSpirit, VoltAbsorb, WanderingSpirit, WaterAbsorb, WaterBubble, WaterCompaction, WaterVeil, WeakArmor, WhiteSmoke, WimpOut, WonderGuard, WonderSkin, ZenMode

public interface IRarityTweak