Grass / Fairy
Weaknesses: Fire, Flying, Ice,
Poison, Steel
Resistances: Dark, Electric, Fighting, Grass, Ground, Water
Immunities: Dragon
Relevant super effective hits: Tomohawk, Ash-Greninja, Colossoil, Zygarde, Arghonaut, Hawlucha, Mega Latios, Keldeo, Mega Swampert, Tyranitar
Relevant resistors
with only STAB coverage: Heatran, Pyroak, Skarmory, Celesteela, Magearna, Kartana, Mega Scizor, Ferrothorn
Preliminary comments:
- Don't let the long list of relevant resistors steer you away - this is factoring in STAB coverage alone (notice the potential coverage moves that could hit them). Fairy-type attacks also covers a lot of the metagame neutrally by itself.
Pros:
- Provides Sun and Sand types a great counter to Zygarde because it resists Ground and Dragon and also to Greninja because it resists Water and Dark. Both Zygarde and Greninja-Ash are big threats to Sun and Sand based teams, particularly Sand.
- Also provides a good defense against non-Facade Colossoil, non-Flyinium Z Landorus-T
- Good Grass-types that fit on Sun and Sand teams (especially Tangrowth, Tapu Bulu, Amoonguss on Sand-based teams) lack ways to break through Tomohawk. Fairy-type allows for that.
- Because it can break Tomohawk, it also means it's not complete set-up bait for Hawlucha.
- Both STAB attacks hit Arghonaut, which is a rising threat that can also wall Sand based teams.
- 4x weakness to Poison is not terribly common
- No weakness to Stealth Rock
- Good power behind STAB moves
Novelties (Pros that are nice but aren't completely vital):
- STAB Solar Beam and Solar Blade
- Good typing against Rain-based teams, which is actually useful for Sand-based teams
Cons:
- Unfortunate weakness to Flying-type attacks, meaning it cannot safely come in directly onto Tomohawk 100% of the time
- Cannot reliably break Heatran for Sun-teams by STAB coverage alone
- Has no chance to tank Fire-type moves, but even typings 2x resistant to Fire-type attacks aren't reliably tanking them (refer to
DLC's post on the matter)
- Vulnerable to Spikes, Toxic Spikes, and Sticky Web
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Dragon / Flying
Weaknesses: Dragon, Fairy,
Ice, Rock
Resistances: Bug, Fighting, Fire,
Grass, Water
Immunities: Ground
Relevant super effective hits: Tomohawk, Pajantom, Tapu Bulu, Aurumoth, Syclant, Zygarde, Latios, Hawlucha, Volcarona, Kyurem-B, Arghonaut
Relevant resistors
with only STAB coverage: Heatran, Skarmory, Celesteela, Magearna, Mega Scizor, Tapu Koko
Preliminary comments:
If you're worried about Hurricane, don't be. Just because Hurricane gets its accuracy in Rain and nerfed in the Sun, it doesn't mean Hurricane is off the table. In fact, Hurricane is best on Sand teams to address Tomohawk; whereas Sun teams have less of a need for Flying-type coverage to begin with. Regarding its fit on Rain teams, few Flying-types are ever going to have better utility on a Rain team than Prankster Rain Dance + Healing Wish Tomohawk. tl;dr, don't let STAB options damage your opinion of this typing.
Pros:
- Complete immunity to Ground-type attacks, which is highly useful for both Sun and Sand based teams
- Provides a partial defense to Ash-Greninja because it resists Water-type STAB moves, which is important because it resists Water Shuriken
- Heatran has harder time chipping it down with an immunity to Earth Power and resistance to Magma Storm
- Can break Tomohawk, Tangrowth, Pyroak, and Arghonaut for Sand teams, which is highly useful for Excadrill
- Can break open Dragon-types that commonly resist Sun teams attacks like Latios and Zygarde
- Ignores Spikes and Sticky Web, a useful immunity for both type archetypes
- High powered STAB moves
Novelties (Pros that are nice but aren't completely vital):
- Resists Fire-type attacks in a pinch for Sun based teams
Cons:
- Unfortunate 4x weakness to Ice-type attacks, though Syclant is the only relevant Ice-type and not everything in CAP runs HP Ice. Mostly HP Ground.
- Cannot reliably break Heatran for Sun-teams by STAB coverage alone
- Stealth Rock Weakness
- Doesn't resist Zygarde's Thousand Waves
- Annoyingly misses Tapu Koko by STAB coverage