It's great for controlling strategies, especially Stax (decks which essentially make it impossible for most decks to do anything and then do a point or two of damage every turn) and landfall, but aggro
Echo means "At the beginning of your upkeep, if this permanent came under your control since the beginning of your last upkeep, sacrifice it unless you pay [cost]." With Old Fogey, there's no cost listed because in ye olden days it was just the mana cost
If you can cheat Biomantic Mastery out somehow or can use this in a shell with flash granting effects like Borne Upon a Wind, it could be worth it
In the late game, the Smith can be replayed over and over with Lurrus of the Dream Den making it a useful source of card advantage
The player then travels to defeat Club Masters, who each specialize in a specific Pokmon card type, before then facing the four Grand Masters and the Champion