Morgul-Knife Wound 

Enchantment — Aura
$0.20 #14413 0.18 3.3 years
Enchant creature
Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life."
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Cards similar to Morgul-Knife Wound 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.
Withercrown82%
$0.17↓#19145↓0.29↑5.7 years↑
"Enchanted creature has base power 0 and has "At the beginning of your upkeep, you lose 1 life unless you sacrifice this creature.""
Inevitable End78%
$0.20#19693↓0.55↑6.7 years↑
"Enchanted creature has "At the beginning of your upkeep, sacrifice a creature.""
Pendrell Flux74%
$0.12↓#27248↓0.47↑28.0 years↑
"Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost.""
Clawing Torment74%
$0.17↓#8746↑0.144.7 years↑
"Enchanted permanent has "At the beginning of your upkeep, you lose 1 life.""
Pillory of the Sleepless73%
$0.14↓#18942↓0.50↑20.7 years↑
"Enchanted creature has "At the beginning of your upkeep, you lose 1 life.""
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