Rivals of Ixalan

Resplendent Griffin | Creature | Griffin | Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Whenever Resplendent Griffin attacks, if you have the city's blessing, put a +1/+1 counter on it. | Sam Rowan

Atzocan Seer | Creature | Human Druid | {T}: Add one mana of any color. Sacrifice Atzocan Seer: Return target Dinosaur card from your graveyard to your hand. | Joseph Meehan

Storm Fleet Sprinter | Creature | Human Pirate | Haste Storm Fleet Sprinter can't be blocked. | G-host Lee

Jungle Creeper | Creature | Elemental | {3}{B}{G}: Return Jungle Creeper from your graveyard to your hand. | Matt Stewart