Deathgreeter 
Creature — Human Shaman
Whenever another creature dies, you may gain 1 life.
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Sultai Flayer 86%
$0.10#23529
"Whenever a creature you control with toughness 4 or greater dies, you gain 4 life."
Panicked Bystander // Cackling Culprit 86%
$0.12#24010
"Whenever this creature or another creature you control dies, you gain 1 life."
Gate to the Afterlife 85%
$0.20#11193
"Whenever a nontoken creature you control dies, you gain 1 life. Then you may draw a card. If you do, discard a card."
The Meathook Massacre 85%
$27.65#505
"Whenever a creature an opponent controls dies, you gain 1 life."
Overgrowth Elemental 84%
$0.30#18539
"Whenever another creature you control dies, you gain 1 life. If that creature was an Elemental, put a +1/+1 counter on this creature."
Kresh the Bloodbraided 84%
$0.89#9065
"Whenever another creature dies, you may put X +1/+1 counters on Kresh, where X is that creature's power."
Laid to Rest 84%
$0.26#11522
"Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life."
Gladehart Cavalry 84%
$0.31#18311
"Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life."
Scavenger Drake 81%
$0.17#21836
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Algae Gharial 81%
$0.08#21604
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Deathbringer Thoctar 81%
$0.52#12113
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Rockslide Elemental 81%
$0.28#23544
"Whenever another creature dies, you may put a +1/+1 counter on this creature."