Mindless Automaton 
Artifact Creature — Construct
$0.16 #4779 0.29 28.2 years
This creature enters with two +1/+1 counters on it.
Remove two +1/+1 counters from this creature: Draw a card.
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Cards similar to Mindless Automaton 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.
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"This creature enters with four +1/+1 counters on it."
Brigone, Soldier of Meletis85%
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"
, Remove a +1/+1 counter from this card: Draw a card."
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$0.21↑#26525↓0.55↑28.2 years
"
, Remove a +1/+1 counter from a creature you control: Put a +1/+1 counter on this creature."
+1 more matching line
Conductor of Cacophony84%
$0.17↑#22397↓0.243.8 years↓
"This creature enters with two +1/+1 counters on it."
Markov Dreadknight82%
$0.26↑#23367↓0.07↓10.4 years↓
"
, Discard a card: Put two +1/+1 counters on this creature."
Invigorating Hot Spring82%
$0.36↑#46750.11↓4.5 years↓
"This enchantment enters with four +1/+1 counters on it."
Ingenious Prodigy82%
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"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
Junk Golem81%
$0.29↑#30022↓0.2724.9 years↓
"
, Discard a card: Put a +1/+1 counter on this creature."
+1 more matching line