Ixalan

Goring Ceratops | Creature | Dinosaur | Double strike Whenever Goring Ceratops attacks, other creatures you control gain double strike until end of turn. | Zezhou Chen

Wakening Sun's Avatar | Creature | Dinosaur Avatar | When Wakening Sun's Avatar enters the battlefield, if you cast it from your hand, destroy all non-Dinosaur creatures. | Tyler Jacobson

Belligerent Brontodon | Creature | Dinosaur | Each creature you control assigns combat damage equal to its toughness rather than its power. | Dan Scott

Gishath, Sun's Avatar | Legendary Creature | Dinosaur Avatar | Vigilance, trample, haste Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order. | Zack Stella