Scytheclaw Raptor 

Creature — Dinosaur
Whenever a player casts a spell, if it's not their turn, this creature deals 4 damage to them.
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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.
Adrenaline Jockey 100%
$0.17#15610
"Whenever a player casts a spell, if it's not their turn, this creature deals 4 damage to them."
Ichneumon Druid 80%
$3.54#28096
"Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, this creature deals 4 damage to that player."