Deathgreeter

Whenever another creature dies, you may gain 1 life.

Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Blessed Defiance

Target creature you control gets +2/+0 and gains lifelink until end of turn. When that creature dies this turn, create a 1/1 white Spirit creature token with flying.

Yoke of the Damned

Enchant creature
When a creature dies, destroy enchanted creature.

Sadistic Glee

Enchant creature
Whenever a creature dies, put a +1/+1 counter on enchanted creature.

Imperious Oligarch

Vigilance
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Falkenrath Noble

Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

Graceful Reprieve

When target creature dies this turn, return that card to the battlefield under its owner's control.

Unruly Mob

Whenever another creature you control dies, put a +1/+1 counter on Unruly Mob.

Warteye Witch

Whenever Warteye Witch or another creature you control dies, scry 1.

Swamp

Plains

Abnormal Endurance

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."