Better doing Rayquaza or Groudon/ Kyogre raids?
So, for win more Rayquaza raids we get more pokemons from eggs who prefer windy weather. Useful mons from psychic, dragon and flying type:
2km= Abra, Slowpoke, Exeggcute,
5km= Scyther, Smoochum,
10km= Dratini, Ralts, Bagon, Beldum
But, if we win more Groudon/ Kyogre raids, we get more mons from eggs who prefer rainy/clear weather. Useful mons from bug, electric, water, fire, ground and grass type:
2km= Slowpoke, Exeggcute,
5km= Bulbazaur, Charmander, Shellder, Onix, Rhyhorn, Tangela, Scyther, Pinsir, Houndour, Elekid, Magby, Treecko, Torchic, Shroomish, Spheal,
10km= Lapras, Larvitar, Feebas.
What reward do you think is better? For me; Rayquaza, but i need to do more Kyogre and Groudon raids because i don't catch any Groudon and my only Kyogre have -80% IV.
Answers
Rayquaza has some great options like Gardevoir, Dragonite, Salamence, Metagross, Jynx, Exeggcutor, Alakazam, and Scizor.
The 10ks from Groudon/Kyogre (Lotad, Feebas, Trapinch) are mostly dex fillers. The only real potential I see in the entire pool is Larvitar, Onix, Shellder (as they're uncommon), and Lapras. Of these, only Larvitar and Lapras doesn't nest, and without its legacy move Lapras can be edged out by Walrein, and Spheal is common and nests (if you dont live in the biome you can still find a nest).
Dratini, Ralts, Bagon, and Beldum are all heavily biome and weather dependent, and moreover don't nest either. They all make super meta-relevant mons when evolved.