Sengir Connoisseur 
Creature — Vampire
$0.18 #20744 0.00 4.1 years
Flying
Whenever one or more other creatures die, put a +1/+1 counter on this creature. This ability triggers only once each turn.
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Swarm of Bloodflies100%
$0.08↓#13969↑0.36↑12.1 years↑
"Whenever another creature dies, put a +1/+1 counter on this creature."
Scavenger Drake100%
$0.15↓#225670.0618.0 years↑
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Rockslide Elemental98%
$0.17↓#243930.18↑18.0 years↑
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Guardian Kirin98%
$0.06↓#248630.055.3 years↑
"Whenever another creature you control dies, put a +1/+1 counter on this creature."
Vengeful Townsfolk97%
$0.13↓#208070.002.5 years↓
"Whenever one or more other creatures you control die, put a +1/+1 counter on this creature."
Gavony Unhallowed97%
$0.09↓#200150.0810.2 years↑
"Whenever another creature you control dies, put a +1/+1 counter on this creature."
Rot Shambler97%
$0.18#13829↑0.30↑11.0 years↑
"Whenever another creature you control dies, put a +1/+1 counter on this creature."
Unruly Mob97%
$0.04↓#182000.0015.1 years↑
"Whenever another creature you control dies, put a +1/+1 counter on this creature."
Lumberknot96%
$0.12↓#15549↑0.0015.1 years↑
"Whenever a creature dies, put a +1/+1 counter on this creature."
Algae Gharial96%
$0.11↓#222190.19↑18.0 years↑
"Whenever another creature dies, you may put a +1/+1 counter on this creature."
Thanos, Death's Consort96%
$2.43↑#173380.14↑0.3 years↓
"Whenever another creature dies, put a +1/+1 counter on this card."
Voracious Vermin94%
$0.34↑#6228↑0.003.1 years
"Whenever another creature you control dies, put a +1/+1 counter on this creature."
Markov Dreadknight94%
$0.15↓#237140.0610.5 years↑
"Flying"
Judge Magister Gabranth93%
$0.19↑#9166↑0.25↑1.4 years↓
"Whenever another creature or artifact you control dies, put a +1/+1 counter on this card."
Mausoleum Harpy93%
$0.04↓#29425↓0.078.8 years↑
"Whenever another creature you control dies, if you have the city's blessing, put a +1/+1 counter on this creature."
Soulcatcher91%
$0.22↑#14509↑0.0025.1 years↑
"Whenever a creature with flying dies, put a +1/+1 counter on this creature."
Venomcrawler90%
$1.29↑#10151↑0.24↑4.0 years
"Whenever another creature dies, put a +1/+1 counter on this creature."
Rising Populace90%
$0.05↓#225460.11↑7.5 years↑
"Whenever another creature or planeswalker you control dies, put a +1/+1 counter on this creature."
Moriok Rigger88%
$0.50↑#244130.0022.4 years↑
"Whenever an artifact is put into a graveyard from the battlefield, you may put a +1/+1 counter on this creature."
Havengul Vampire87%
$0.13↓#215840.19↑14.5 years↑
"Whenever another creature dies, put a +1/+1 counter on this creature."