Deafening Silence {W}
Enchantment
Each player can't cast more than one noncreature spell each turn.
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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.
City of Solitude 88%
$24.45#12894
"Players can cast spells and activate abilities only during their own turns."
Weftwalking 88%
$0.35#14864
"The first spell each player casts during each of their turns may be cast without paying its mana cost."
Ian Malcolm, Chaotician 88%
$6.55#11008
"During each player's turn, that player may cast a spell from among the cards they don't own exiled with this card, and mana of any type can be spent to cast it."
Heartwood Storyteller 86%
$4.35#4079
"Whenever a player casts a noncreature spell, each of that player's opponents may draw a card."
Backdraft 84%
$3.84#28105
"Choose a player who cast one or more sorcery spells this turn. this card deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down."
Damping Sphere 84%
$0.89#4999
"Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn."
Karn's Sylex 83%
$0.94#13097
"Players can't pay life to cast spells or to activate abilities that aren't mana abilities."
Mana Maze 83%
$4.75#17832
"Players can't cast spells that share a color with the spell most recently cast this turn."
Cornered Market 82%
$0.59#26633
"Players can't cast spells with the same name as a nontoken permanent."