Gwyllion Hedge-Mage {2}{W/B}
Creature — Hag Wizard
When this creature enters, if you control two or more Plains, you may create a 1/1 white Kithkin Soldier creature token.
When this creature enters, if you control two or more Swamps, you may put a -1/-1 counter on target creature.
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Cards that do something similar 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.
Crocodile of the Crossing 96%
$0.09#25630
"When this creature enters, put a -1/-1 counter on target creature you control."
Decimator Beetle 96%
$0.14#17909
"When this creature enters, put a -1/-1 counter on target creature you control."
Ornery Kudu 96%
$0.09#29206
"When this creature enters, put a -1/-1 counter on target creature you control."
Baleful Ammit 96%
$0.32#19585
"When this creature enters, put a -1/-1 counter on target creature you control."
Manticore of the Gauntlet 95%
$0.03#30026
"When this creature enters, put a -1/-1 counter on target creature you control. This creature deals 3 damage to target opponent or planeswalker."
Cultbrand Cinder 94%
$0.10#29938
"When this creature enters, put a -1/-1 counter on target creature."
Banewhip Punisher 93%
$0.31#10718
"When this creature enters, you may put a -1/-1 counter on target creature."
Plague Belcher 87%
$0.44#3640
"When this creature enters, put two -1/-1 counters on target creature you control."
Defiant Greatmaw 87%
$0.18#21332
"When this creature enters, put two -1/-1 counters on target creature you control."
Soulstinger 87%
$0.11#19198
"When this creature enters, put two -1/-1 counters on target creature you control."
Exemplar of Strength 86%
$0.22#24130
"When this creature enters, put three -1/-1 counters on target creature you control."
Channeler Initiate 86%
$0.21#6090
"When this creature enters, put three -1/-1 counters on target creature you control."
Emptiness 84%
$0.89#13545
"When this creature enters, if {B}{B} was spent to cast it, put three -1/-1 counters on up to one target creature."
Spitting Dilophosaurus 84%
$30.86#5463
"Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature."
Cartouche of Ambition 83%
$0.11#15200
"When this Aura enters, you may put a -1/-1 counter on target creature."
Blue Dragon 81%
$0.14#16230
"When this creature enters, until your next turn, target creature an opponent controls gets -3/-0, up to one other target creature gets -2/-0, and up to one other target creature gets -1/-0."