Captain Mar-Vell, Space-Born {4}{W}
Legendary Creature — Kree Soldier Hero
Flying, vigilance
Cosmic Awareness — As long as an opponent has cast a spell this turn, you may cast spells as though they had flash.
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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.
Inventive Iteration // Living Breakthrough 88%
$0.30#9276
"Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn."
Final-Word Phantom 86%
$2.02#7859
"During each opponent's end step, you may cast spells as though they had flash."
Delirium 86%
$1.50#12142
"Cast this spell only during an opponent's turn."
Teferi, Time Raveler 86%
$7.25#1139
"Each opponent can cast spells only any time they could cast a sorcery."
Teferi, Mage of Zhalfir 86%
$3.05#4358
"Each opponent can cast spells only any time they could cast a sorcery."
Quantum Reduction 85%
$0.25#28298
"You may cast this spell as though it had flash if it's cast using teamwork."
Tithe Taker 85%
$0.35#7544
"During your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate unless they're mana abilities."
Heliod, the Radiant Dawn // Heliod, the Warped Eclipse 85%
$2.56#3209
"You may cast spells as though they had flash."
Leyline of Anticipation 85%
$7.50#714
"You may cast spells as though they had flash."
Vedalken Orrery 85%
$17.60#1441
"You may cast spells as though they had flash."
High Fae Trickster 85%
$5.12#906
"You may cast spells as though they had flash."
Tidal Barracuda 85%
$9.16#4323
"Any player may cast spells as though they had flash."
Ward of Lights 85%
$0.25#21777
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Relic Ward 85%
$0.14#27571
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Soar 85%
$0.08#30872
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Grave Servitude 85%
$0.12#29813
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Necromancy 85%
$21.03#993
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Parapet 85%
$0.09#25749
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Mystic Veil 85%
$0.14#22226
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."
Lightning Reflexes 85%
$0.05#24954
"You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step."