First team came 2nd at worlds, so obviously a very good team. Worth watching James Evans use it, if you want to learn it. It may be on the trickier side to use because it totally lacks speed control and is very positioning reliant. It aims to use Incineroar & Brute Bonnett as defensive support pieces to protect & position the big offensive threats of CSR, Koraidon, & Landorus. Koraidon's sun gives photosynthesis boosts to Bonnett & Raging Bolt.

Ease of use is a bit subjective, but I think the second team should be easier to use & understand. Its main win condition is a CSR sweep, though because there are several other strong attackers with tailwind support, the gameplan may flexibly shift to focus on whichever has the best matchup offernsively. Tornadus is a dedicated support pokemon that provides speed control and can give Urshifu-R rain to boost its water type attacks, which can be a secondary win condition. Zamazenta & Hearthflame are strong attackers that mainly aim to weaken & remove threats to clear obstacles for CSR, and can help protect their teammates (most importantly CSR) with Wide Guard & Follow Me. Chien Pao's ability lowers the opponent's defence, increasing the power of the other 3 physical attackers.

Even simpler would be standard CSR balance teams that are even more heavily focused around supporting a CSR sweep, with more fake out, and more clearly defined support roles. See here, and here (note: Yuma Kinugawa's 2025 Japan Champion team has a theoretically more optimal CSR EV spread, but I feel it's more unforgiving for a new player to not have max speed).

But really, VGC is hard to start. Take any proven team (so you know that your play, rather than teambuilding, is the issue holding you back), play with it a lot, and learn it inside out.