Ghitu Fire {X}{R}
Sorcery
You may cast this spell as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.)
Ghitu Fire deals X damage to any target.
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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.
Breaking Wave 100%
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"You may cast this spell as though it had flash if you pay {2} more to cast it."
Mystical Tether 100%
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"this card deals X damage to any target. Clash with an opponent. If you win, return this card to its owner's hand."
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Electrodominance 96%
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"this card deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost."