Ixalan

Imperial Aerosaur | Creature | Dinosaur | Flying When Imperial Aerosaur enters the battlefield, another target creature you control gets +1/+1 and gains flying until end of turn. | Jesper Ejsing

Looming Altisaur | Creature | Dinosaur | | Lars Grant-West

Paladin of the Bloodstained | Creature | Vampire Knight | When Paladin of the Bloodstained enters the battlefield, create a 1/1 white Vampire creature token with lifelink. | Bastien L. Deharme

Pterodon Knight | Creature | Human Knight | Pterodon Knight has flying as long as you control a Dinosaur. | Anthony Palumbo

Steadfast Armasaur | Creature | Dinosaur | Vigilance {1}{W}, {T}: Steadfast Armasaur deals damage equal to its toughness to target creature blocking or blocked by it. | Greg Opalinski