Rivals of Ixalan

Imperial Ceratops | Creature | Dinosaur | Enrage — Whenever Imperial Ceratops is dealt damage, you gain 2 life. | Bayard Wu

Sun-Crested Pterodon | Creature | Dinosaur | Flying Sun-Crested Pterodon has vigilance as long as you control another Dinosaur. | Lars Grant-West

Temple Altisaur | Creature | Dinosaur | If a source would deal damage to another Dinosaur you control, prevent all but 1 of that damage. | Daarken

Trapjaw Tyrant | Creature | Dinosaur | Enrage — Whenever Trapjaw Tyrant is dealt damage, exile target creature an opponent controls until Trapjaw Tyrant leaves the battlefield. | Chris Rahn