Goblin Heelcutter {3}{R}
Creature — Goblin Berserker
Whenever this creature attacks, target creature can't block this turn.
Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand 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.
Grotag Thrasher 100%
$0.11#27970
"Whenever this creature attacks, target creature can't block this turn."
Mardu Roughrider 100%
$0.10#24229
"Whenever this creature attacks, target creature can't block this turn."
Plasma Jockey 96%
$0.12#21759
"Whenever this creature attacks, target creature an opponent controls can't block this turn."
+1 more matching line
Clamor Shaman 96%
$0.13#19472
"Whenever this creature attacks, target creature an opponent controls can't block this turn."
Goma Fada Vanguard 94%
$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."
Radha's Firebrand 93%
$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 92%
$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."
Goblin Locksmith 91%
$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."
Crashing Boars 87%
#29408
"Whenever this creature attacks, defending player chooses an untapped creature they control. That creature blocks this creature this turn if able."