This sets up a lot of passive lore gain that must be dealt with
Insulting Remark, on the other hand, makes every opposing character with cost 2 or less lose 1 point of Strength, which can make getting into challenges on your turn much safer as they'll take one less damage back
Benthic Biomancer Another merfolk all-star, Benthic Biomancer goes in more decks, including counter shenanigan decks like Chisei, Heart of Oceans or Goldberry, River-Daughter
1 Ancestral Statue
Start off with Birds of Paradise, then Sakura-Tribe Elder, Three Visits, or Rampant Growth, then Cultivate, before finally hitting the big leagues with Migration Path and Vastwood Surge
I'm personally not very optimistic about the future of all the various crossover products coming down the pike based on this, but I do understand that Games Workshop has some extremely restrictive controls on their IP that makes working with them and their lore rather challenging