Ixalan

Emissary of Sunrise | Creature | Human Cleric | First strike When Emissary of Sunrise enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) | Deruchenko Alexander

Inspiring Cleric | Creature | Vampire Cleric | When Inspiring Cleric enters the battlefield, you gain 4 life. | Randy Gallegos

Rallying Roar | Instant | | Creatures you control get +1/+1 until end of turn. Untap them. | John Stanko