Rivals of Ixalan

Blazing Hope | Instant | | Exile target creature with power greater than or equal to your life total. | Clint Cearley

Moment of Triumph | Instant | | Target creature gets +2/+2 until end of turn. You gain 2 life. | Steven Belledin

Skymarcher Aspirant | Creature | Vampire Soldier | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Skymarcher Aspirant has flying as long as you have the city's blessing. | Winona Nelson

Snubhorn Sentry | Creature | Dinosaur | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Snubhorn Sentry gets +3/+0 as long as you have the city's blessing. | Aaron Miller