The Base Set introduced the world to Pokmon cards and includes some of the most iconic cards in the entire franchise, such as Charizard, Blastoise, and Venusaur
Or you could take it even further with cards like Etali, Primal Storm that use combat to cast spells
Intentional draws: In the final round of Swiss when both players are mathematically locked into either making cut or missing cut regardless of the round result, an intentional draw (ID) is legal and common in tournament play
The best thing about Codie is that you dont need coloured mana to activate it you actually get coloured mana out of it, which makes the ability a lot easier to use than Golos
Alternatively, they could keep their Earth attribute while getting an erratum that specifies they are also Metal or Wood, so as not to change their effects if they involve Earth attribute monsters in some way