Bayou Groff {1}{G}
Creature — Plant Dog
As an additional cost to cast this spell, sacrifice a creature or pay {3}.
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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.
Lash of the Balrog 99%
$0.14#7281
"As an additional cost to cast this spell, sacrifice a creature or pay {4}."
Betrayer's Bargain 86%
$0.14#17563
"As an additional cost to cast this spell, sacrifice a creature or enchantment or pay {2}."
Louisoix's Sacrifice 85%
$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."