As you might expect for lore reasons, its most frequently spotted in Nissa, Resurgent Animist decks, at 74%
Summary Kaldheim set introduced many meta-defining cards playable in Pioneer and Commander formats
Dont forget to check your account for MOPR packs granted yesterday based on May play and spending
Regarding the legality of the cards: Magic: The GatheringFINAL FANTASY (FIN) is a Standard-legal set Magic: The GatheringFINAL FANTASY Commander (FIC) and FINAL FANTASY Through the Ages (FCA) are Commander-, Legacy-, and Vintage-legal sets, and individual cards are also legal where already available in other formats Magic: The Gathering FINAL FANTASY Play Boosters contain cards from FIN and FCA
Ursula nearly took over the realm, but brave Illumineers and glimmers defeated here
Each of these subsets have their own code, symbol, and rulings regarding their legality in different formats