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

Profane Procession | Legendary Enchantment | | {3}{W}{B}: Exile target creature. Then if there are three or more cards exiled with Profane Procession, transform it. | Bastien L. Deharme

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