Arcane Omens {4}{B}
Sorcery
Converge — Target player discards X cards, where X is the number of colors of mana spent to cast this 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.
Mind Burst 90%
$0.10#31547
"Target player discards X cards, where X is one plus the number of cards named this card in all graveyards."
Wrench Mind 82%
$0.25#21356
"Target player discards two cards unless they discard an artifact card."
Bog Down 82%
$0.11#29130
"Target player discards two cards. If this spell was kicked, that player discards three cards instead."
Haunting Hymn 81%
$0.04#27667
"Target player discards two cards. If you cast this spell during your main phase, that player discards four cards instead."
Skullscorch 81%
$0.52#28790
"Target player discards two cards at random unless that player has this card deal 4 damage to them."