Hapatra, Vizier of Poisons 
Legendary Creature — Human Cleric
$0.26 #3862 0.34 9.5 years
Whenever Hapatra deals combat damage to a player, you may put a -1/-1 counter on target creature.
Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.
Click a line or tag to filter
Cards similar to Hapatra, Vizier of Poisons expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Obelisk Spider89%
$2.52↑#4823↓0.22↓9.3 years
"Whenever this creature deals combat damage to a creature, put a -1/-1 counter on that creature."
+1 more matching line
Nest of Scarabs88%
$3.09↑#34970.279.5 years
"Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens."
Flourishing Defenses88%
$0.47↑#38340.50↑18.5 years↑
"Whenever a -1/-1 counter is put on a creature, you may create a 1/1 green Elf Warrior creature token."
Banewhip Punisher87%
$0.25↓#11192↓0.06↓9.3 years
"When this creature enters, you may put a -1/-1 counter on target creature."
+1 more matching line
Blowfly Infestation87%
$0.33↑#3048↑0.59↑18.5 years↑
"Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature."
Gnarled Effigy84%
$0.15↓#27769↓0.07↓18.5 years↑
"
, 
: Put a -1/-1 counter on target creature."
, : Put a -1/-1 counter on target creature."
Spitting Dilophosaurus84%
$25.70↑#5728↓0.402.9 years↓
"Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature."
Cultbrand Cinder82%
$0.11↓#30659↓0.00↓18.5 years↑
"When this creature enters, put a -1/-1 counter on target creature."
Skinrender82%
$0.23↓#5692↓0.69↑16.1 years↑
"When this creature enters, put three -1/-1 counters on target creature."
Grief Tyrant82%
$0.15↓#26356↓0.06↓18.5 years↑
"This creature enters with four -1/-1 counters on it."
Crumbling Ashes81%
$24.83↑#6771↓0.4318.2 years↑
"At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it."
The Scorpion God80%
$0.26#5105↓0.259.5 years
"
: Put a -1/-1 counter on another target creature."
: Put a -1/-1 counter on another target creature."+1 more matching line
Soulstinger80%
$0.18↓#20032↓0.18↓9.5 years
"When this creature enters, put two -1/-1 counters on target creature you control."
Blight Rot80%
$0.28↑#8917↓0.04↓0.7 years↓
"Put four -1/-1 counters on target creature."
Weed-Pruner Poplar79%
$0.14↓#26750↓0.12↓18.7 years↑
"At the beginning of your upkeep, target creature other than this creature gets -1/-1 until end of turn."
Liliana, Death Wielder79%
$0.39↑#7854↓0.07↓9.5 years
"+2: Put a -1/-1 counter on up to one target creature."
+1 more matching line
Scar78%
$0.23↓#19802↓0.19↓18.5 years↑
"Put a -1/-1 counter on target creature."
Fevered Convulsions78%
$0.70↑#22859↓0.06↓29.0 years↑
"
: Put a -1/-1 counter on target creature."
: Put a -1/-1 counter on target creature."
Volrath, the Shapestealer77%
$0.67↑#13791↓0.22↓7.2 years↓
"At the beginning of combat on your turn, put a -1/-1 counter on up to one target creature."
Serrated Biskelion76%
$0.12↓#20345↓0.18↓29.4 years↑
": Put a -1/-1 counter on this creature and a -1/-1 counter on target creature."
: Put a -1/-1 counter on this creature and a -1/-1 counter on target creature."