Core Set 2019

Isolate | Instant | | Exile target permanent with mana value 1. | Victor Adame Minguez

Mistcaller | Creature | Merfolk Wizard | Sacrifice Mistcaller: Until end of turn, if a nontoken creature would enter the battlefield and it wasn't cast, exile it instead. | Ryan Yee

Infernal Reckoning | Instant | | Exile target colorless creature. You gain life equal to its power. | Bram Sels

Alpine Moon | Enchantment | | As Alpine Moon enters the battlefield, choose a nonbasic land card name. Lands your opponents control with the chosen name lose all land types and abilities, and they gain "{T}: Add one mana of any color." | Alayna Danner

Banefire | Sorcery | | Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented. | Raymond Swanland

Hungering Hydra | Creature | Hydra | Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.) | Daarken