Start with vanilla if you want the OG experience, creative if you want to be artistic

Wattles is a good YT creator that does play alongs in vanilla. His Skyblock series introduced me to farming (not just planting crops) and got me back into the game.

https://www.youtube.com/@wattlesplays

HermitCraft and Vault Hunters are some SMPs to check out

https://hermitcraft.com | https://vaulthunters.gg

The Dream Manhunt series is pretty epic too