Sarkhan's Catharsis {4}{R}
Instant
Sarkhan's Catharsis deals 5 damage to target player or planeswalker.
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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.
Giant's Ire 90%
$0.17#21350
"this card deals 4 damage to target player or planeswalker. If you control a Giant, draw a card."
Pulse of the Forge 88%
$0.43#21973
"this card deals 4 damage to target player or planeswalker. Then if that player or that planeswalker's controller has more life than you, return this card to its owner's hand."
Touch of Death 88%
$0.10#28054
"this card deals 1 damage to target player or planeswalker. You gain 1 life."
Blightning 87%
$0.29#16020
"this card deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards."
Chandra's Fury 86%
$0.18#16061
"this card deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls."
Flaming Gambit 85%
$0.19#27560
"this card deals X damage to target player or planeswalker. That player or that planeswalker's controller may choose a creature they control and have this card deal that damage to it instead."
Quenchable Fire 84%
$0.04#30594
"this card deals 3 damage to target player or planeswalker. It deals an additional 3 damage to that player or planeswalker at the beginning of your next upkeep step unless that player or that planeswalker's controller pays {U} before that step."
Sorin, Vengeful Bloodlord 84%
$1.37#5183
"+2: this card deals 1 damage to target player or planeswalker."
Farideh's Fireball 82%
$0.22#9638
"this card deals 5 damage to target creature or planeswalker. Roll a d20."