Kataki, Wars Wage I could likely justify Katakis inclusion on this list from its prolonged sideboard use across Legacy, Vintage and Modern
Klothys is the proper Gruul god on Theros, busy in the underworld with the titans before Elspeth made trouble (which is how Xenagos was able to usurp her position for a while)
These helped capture the mystery and dramatics of the setting, so we knew we had to bring them back here
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle
Adagia, Windswept Bastion Applied Geometry Artificer Class Ashling's Command Brigid's Command Cabaretti Confluence Cackling Counterpart Caretaker's Talent Chandra, Flameshaper City of Death Cogwork Assembler Croaking Counterpart Dance of Many Dino DNA Donatello, Gadget Master Dutiful Replicator Echo Storm Electroduplicate Elvish Hydromancer Ember Island Production Esika's Chariot Esper Terra Fated Infatuation Feldon of the Third Path Flash Photography Ghired, Mirror of the Wilds Grub's Command Hazel of the Rootbloom Heat Shimmer Ignite the Cloneforge