While he was fairly useless there, Goyo Guardian is pretty terrifying
For example, in the Sword & Shield sets which were released from 2020-2023 cards featured a similar type-based pattern to the Scarlet & Violet sets, albeit with a striped pattern of chevrons that each contained the Pokemons type symbol
Combine this with Skarmory, Drampa, or even Oricorio, and you have a deck that can take on anything as long as it doesn't brick for extended periods of time
It all just has to do with demand
Threatening Roar is particularly effective when your opponent has limited means of bypassing your monsters without attacking, but Frogs excel at utilizing Caius the Shadow Monarch, Raiza the Storm Monarch, and Dark Dust Spirit, which can diminish the effectiveness of Threatening Roar
Scavenging Ooze is along similar lines to Deathrite Shaman as a life gain card but is narrower in application and of lower power hence the lower rating on this list