Corinnguard
Hero
I think a number of these features are already covered by several 5e Ranger subclasses.Extreme weather- hurricanes, tornadoes, heatwaves, sleet storms
Extreme wilderness hazards- avalanches, rock slides, forest fires
Random wild arcane effects- living fireball, lightning snakes, warpstorms
Outer/Astral Planar effects
Inner/Elemental Planar effects
Fey trickery
Shadowfell gloom
Dragon lair effects
Barbaric tribal technology
Wandering army scouting
Shadowfell Gloom- the Gloom Stalker
Fey Trickery- the Fey Wanderer
Outer/Astral effects and Inner/Elemental Planar effects- the Horizon Walker
Dragon Lair Effects- Monster Slayer
What is Barbaric tribal technology? Something created by Barbarian/Artificers?