Arcbond {2}{R}
Instant
Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.
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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.
Silhouette 99%
$2.42#31081
"Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent that damage."
Harnessed Lightning 99%
$0.22#15321
"Choose target creature. You get {E}{E}{E} , then you may pay any amount of {E}. this card deals that much damage to that creature."
Venomous Breath 99%
$0.21#27941
"Choose target creature. At this turn's next end of combat, destroy all creatures that blocked or were blocked by it this turn."
Blink 99%
$0.31#13570
"Choose target creature. Its owner shuffles it into their library, then investigates."
Spark of Creativity 98%
$0.17#12526
"Choose target creature. Exile the top card of your library. You may have this card deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn."
Erratic Mutation 83%
$0.07#29258
"Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order."
Die Young 81%
$0.08#24162
"Choose target creature. You get {E}{E} , then you may pay any amount of {E}. The creature gets -1/-1 until end of turn for each {E} paid this way."