Plasma Jockey {3}{R}
Creature — Lizard Warrior
Whenever this creature attacks, target creature an opponent controls can't block this turn.
Blitz {2}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)
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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.
Clamor Shaman 100%
$0.13#19472
"Whenever this creature attacks, target creature an opponent controls can't block this turn."
Radha's Firebrand 98%
$0.18#21319
"Whenever this creature attacks, target creature defending player controls with power less than this creature's power can't block this turn."
Gilded Cerodon 97%
$0.04#27831
"Whenever this creature attacks, if you control a Desert or there is a Desert card in your graveyard, target creature can't block this turn."
Goma Fada Vanguard 97%
$0.09#15871
"Whenever this creature attacks, target creature an opponent controls with power less than or equal to the number of Warriors you control can't block this turn."
Grotag Thrasher 96%
$0.11#27970
"Whenever this creature attacks, target creature can't block this turn."
Goblin Heelcutter 96%
$0.08#20211
"Whenever this creature attacks, target creature can't block this turn."
+1 more matching line
Mardu Roughrider 96%
$0.10#24229
"Whenever this creature attacks, target creature can't block this turn."
Goblin Locksmith 95%
$0.14#23691
"Whenever this creature attacks, creatures with defender can't block this turn."
Spider-Man, Web-Spinner 90%
$23.90#23672
"Whenever this card attacks, target creature can't block this turn."