Prismatic Ending {X}{W}
Sorcery
Converge — Exile target nonland permanent if its mana value is less than or equal to 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.
Fractured Identity 88%
$1.69#4579
"Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it."
Introduction to Annihilation 88%
$0.22#5920
"Exile target nonland permanent. Its controller draws a card."
Release to the Wind 88%
$0.72#9486
"Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost."
Excise the Imperfect 88%
$0.40#7050
"Exile target nonland permanent. Its controller incubates X, where X is its mana value."
Abstruse Appropriation 88%
$0.23#5332
"Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell."
Buy Your Silence 88%
$0.07#23321
"Exile target nonland permanent. Its controller creates a Treasure token."
Secure the Scene 87%
$0.06#25906
"Exile target nonland permanent. Its controller creates a 1/1 white Soldier creature token."
Soul Partition 87%
$0.63#6561
"Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs {2} more to cast."
Reduce to Memory 87%
$0.24#16043
"Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token."