Cabal Shrine 


Enchantment
Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.
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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.
Damping Sphere 80%
$0.89#4999
"Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn."
Putrefaction 80%
$0.26#27288
"Whenever a player casts a green or white spell, that player discards a card."