Wiitigo 



Creature — Yeti
This creature enters with six +1/+1 counters on it.
At the beginning of your upkeep, put a +1/+1 counter on this creature if it has blocked or been blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.
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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.
Spike Hatcher 100%
#28666
"This creature enters with six +1/+1 counters on it."
+1 more matching line
Phantom Nishoba 97%
$0.32#13801
"This creature enters with seven +1/+1 counters on it."
+1 more matching line
Ingenious Prodigy 96%
$0.25#3206
"At the beginning of your upkeep, if this creature has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card."
+1 more matching line
Workhorse 91%
$2.65#13041
"This creature enters with four +1/+1 counters on it."
+1 more matching line
Phantom Wurm 91%
$0.24#22906
"This creature enters with four +1/+1 counters on it."
+1 more matching line
Oathsworn Knight 91%
$0.31#18953
"This creature enters with four +1/+1 counters on it."
+1 more matching line