Asinine Antics {2}{U}{U}
Sorcery
You may cast this spell as though it had flash if you pay {2} more to cast it.
For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)
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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%
$0.70#21927
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Rout 100%
$0.41#7784
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Harbinger of the Tides 100%
$0.18#11336
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Saproling Symbiosis 100%
$1.91#5333
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Oakshade Stalker // Moonlit Ambusher 100%
$0.22#22674
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Mystical Tether 100%
$0.12#19396
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Ghitu Fire 100%
$0.37#22230
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Twilight's Call 100%
$0.71#13913
"You may cast this spell as though it had flash if you pay {2} more to cast it."
Ward of Lights 91%
$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 91%
$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 91%
$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 91%
$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 91%
$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 91%
$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 91%
$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 91%
$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."
Spider Climb 91%
$0.12#27032
"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."
Armor of Thorns 91%
#27557
"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."
Heliod, the Radiant Dawn // Heliod, the Warped Eclipse 90%
$2.56#3209
"You may cast spells as though they had flash."