These are the sets that are legal in the Standard format:
Polyraptor
Revel in Riches
Tendershoot Dryad
The Immortal Sun
Rampaging Ferocidon
Trapjaw Tyrant
Primal Amulet|Primal Wellspring
Huatli, Dinosaur Knight
Nezahal, Primal Tide
Carnage Tyrant
Huatli, Radiant Champion
Silverclad Ferocidons
Storm the Vault|Vault of Catlacan
Pitiless Plunderer
Gishath, Sun's Avatar
Growing Rites of Itlimoc|Itlimoc, Cradle of the Sun
Huatli, Warrior Poet
Herald of Secret Streams
Settle the Wreckage
Journey to Eternity|Atzal, Cave of Eternity