Fugitive Droid 
Artifact Creature — Robot Scientist
This creature can't be blocked if an artifact entered the battlefield under your control this turn.
{U}, Sacrifice this creature: Counter target spell that targets an artifact or creature you control.
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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.
Siren Stormtamer 89%
$0.30#1156
"{U}, Sacrifice this creature: Counter target spell or ability that targets you or a creature you control."
Nimble Trapfinder 86%
$0.22#12087
"This creature can't be blocked if you had another Cleric, Rogue, Warrior, or Wizard enter the battlefield under your control this turn."
Glen Elendra Archmage 81%
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"{U}, Sacrifice this creature: Counter target noncreature spell."
Protean Raider 81%
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"If you attacked this turn, you may have this creature enter as a copy of any creature on the battlefield."