Psychic Whorl {2}{B}
Sorcery
Target opponent discards two cards. Then if you control a Rat, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
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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.
Eriette's Whisper 97%
$0.18#21311
"Target opponent discards two cards. Create a Wicked Role token attached to up to one target creature you control."
No Way Out 97%
$0.10#19359
"Target opponent discards two cards. You create a 2/2 black Zombie creature token with decayed."