Tourach's Chant {1}{B}{B}
Enchantment
At the beginning of your upkeep, sacrifice this enchantment unless you pay {B}.
Whenever a player puts a Forest onto the battlefield, this enchantment deals 3 damage to that player unless they put a -1/-1 counter on a creature they control.
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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.
Breeding Pit 91%
$0.50#21892
"At the beginning of your upkeep, sacrifice this enchantment unless you pay {B}{B}."
Kuro, Pitlord 85%
$0.55#17189
"At the beginning of your upkeep, sacrifice this card unless you pay {B}{B}{B}{B}."