Touch of Invisibility {3}{U}
Sorcery
Target creature can't be blocked this turn.
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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.
Slip Through Space 100%
$0.41#2231
"Target creature can't be blocked this turn."
+1 more matching line
Enter the Enigma 100%
$0.36#1307
"Target creature can't be blocked this turn."
+1 more matching line
Jill, Shiva's Dominant // Shiva, Warden of Ice 100%
$0.56#6287
"Target creature can't be blocked this turn."
Irresistible Prey 84%
$0.25#9928
"Target creature must be blocked this turn if able."
+1 more matching line