Chasm Skulker {2}{U}
Creature — Squid Horror
Whenever you draw a card, put a +1/+1 counter on this creature.
When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)
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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.
Jace's Projection 100%
$0.34#15147
"Whenever you draw a card, put a +1/+1 counter on this creature."
Big Mother Mouser 96%
$2.07#6054
"When this creature dies, create a number of 1/1 colorless Robot artifact creature tokens equal to the number of +1/+1 counters on this creature."
Boss's Chauffeur 94%
$0.30#6255
"When this creature dies, create a 1/1 green and white Citizen creature token for each +1/+1 counter on it."
Hooded Hydra 94%
$1.43#3258
"When this creature dies, create a 1/1 green Snake creature token for each +1/+1 counter on it."
Wanted Griffin 92%
$0.05#23729
"When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery.""
Nezumi Linkbreaker 92%
$0.19#9135
"When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery.""
Kianne, Corrupted Memory 91%
$0.56#10835
"Whenever you draw a card, put a +1/+1 counter on this card."
The Astonishing Ant-Man 91%
$0.42#15760
"Whenever you draw a card, put a +1/+1 counter on this card."
Toothy, Imaginary Friend 91%
$8.40#5112
"Whenever you draw a card, put a +1/+1 counter on this card."
Baxter, Fly in the Ointment 91%
$0.31#8503
"Whenever you draw a card, put a +1/+1 counter on this card."
Pestbrood Sloth 90%
$0.22#17541
"When this creature dies, create two 1/1 black and green Pest creature tokens with "Whenever this token attacks, you gain 1 life.""
Promising Duskmage 88%
$0.09#27707
"When this creature dies, if it had a +1/+1 counter on it, draw a card."
Mister Gutsy 88%
$0.25#9475
"When this creature dies, create X Junk tokens, where X is the number of +1/+1 counters on it."
Gruff Triplets 88%
$0.38#5174
"When this creature dies, put a number of +1/+1 counters equal to its power on each creature you control named this card."
Pensive Professor 87%
$0.48#7431
"Whenever one or more +1/+1 counters are put on this creature, draw a card."