Lash of the Balrog {B}
Sorcery
As an additional cost to cast this spell, sacrifice a creature or pay {4}.
Destroy target creature.
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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.
Bayou Groff 99%
$0.07#19280
"As an additional cost to cast this spell, sacrifice a creature or pay {3}."
Betrayer's Bargain 87%
$0.14#17563
"As an additional cost to cast this spell, sacrifice a creature or enchantment or pay {2}."
Louisoix's Sacrifice 86%
$0.37#6440
"As an additional cost to cast this spell, sacrifice a legendary creature or pay {2}."
Savage Order 83%
$33.74#5099
"As an additional cost to cast this spell, sacrifice a creature with power 4 or greater."
Dusk Mangler 80%
$0.25#10070
"As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life."