Finale of Promise 


Sorcery
You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.
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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.
Seifer Almasy 89%
$0.23#10671
"Whenever this card deals combat damage to a player, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead."
Storm of Memories 84%
$0.36#14459
"Exile an instant or sorcery card with mana value 3 or less from your graveyard at random. You may cast it without paying its mana cost. If that spell would be put into a graveyard, exile it instead."
Dual Strike 83%
$0.19#9742
"When you next cast an instant or sorcery spell with mana value 4 or less this turn, copy that spell. You may choose new targets for the copy."
Gadwick's First Duel 83%
$0.14#19350
"When you next cast an instant or sorcery spell with mana value 3 or less this turn, copy that spell. You may choose new targets for the copy."
Invoke Calamity 82%
$0.50#4131
"You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile this card."