Surveillance Monitor 
Creature — Vedalken Detective
$0.07 #28413 0.00 2.7 years
When this creature enters, you may collect evidence 4. (Exile cards with total mana value 4 or greater from your graveyard.)
Whenever you collect evidence, create a 1/1 colorless Thopter artifact creature token with flying.
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Cards similar to Surveillance Monitor 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.
Evidence Examiner88%
$0.06↓#254490.002.7 years
"At the beginning of combat on your turn, you may collect evidence 4."
+1 more matching line
Efficient Construction72%
$0.50↑#2603↑0.14↑9.7 years↑
"Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying."
Whirlermaker72%
$0.07#20161↑0.0010.1 years↑
"
, 
: Create a 1/1 colorless Thopter artifact creature token with flying."
, : Create a 1/1 colorless Thopter artifact creature token with flying."
Luminous Angel70%
$0.71↑#228490.18↑23.0 years↑
"At the beginning of your upkeep, you may create a 1/1 white Spirit creature token with flying."
Etherium Spinner70%
$0.25↑#14197↑0.21↑5.3 years↑
"Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying."
Vitu-Ghazi Inspector70%
$0.23↑#263360.002.7 years
"As an additional cost to cast this spell, you may collect evidence 6."
Ghirapur Gearcrafter70%
$0.15↑#22536↑0.0011.3 years↑
"When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying."
Nimble Thopterist70%
$0.16↑#21069↑0.24↑1.7 years↓
"When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying."
Aspiring Aeronaut70%
$0.03↓#236370.0011.3 years↑
"When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying."
Aviation Pioneer70%
$0.06↓#20480↑0.008.3 years↑
"When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying."
Experimental Aviator70%
$0.05↓#20852↑0.11↑10.1 years↑
"When this creature enters, create two 1/1 colorless Thopter artifact creature tokens with flying."