Ice Cage {1}{U}
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
When enchanted creature becomes the target of a spell or ability, destroy this Aura.
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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.
Prison Term 100%
$0.38#13035
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
+1 more matching line
Lawmage's Binding 100%
$0.16#16014
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
+1 more matching line
One Thousand Lashes 100%
$0.11#19817
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
+1 more matching line
Desert's Hold 100%
$0.17#20880
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
+1 more matching line
Arrest 100%
$0.24#11361
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
Prison Sentence 100%
$0.20#17204
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
Krasis Incubation 100%
$0.08#25710
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
Trapped in the Tower 100%
$0.11#18727
"Enchanted creature can't attack or block, and its activated abilities can't be activated."
Serra Bestiary 99%
#31048
"Enchanted creature can't attack or block, and its activated abilities with {T} in their costs can't be activated."
Lost in Thought 99%
$0.17#27827
"Enchanted creature can't attack or block, and its activated abilities can't be activated. Its controller may exile three cards from their graveyard for that player to ignore this effect until end of turn."
+1 more matching line
Heliod's Punishment 98%
$0.20#14831
"Enchanted creature can't attack or block. It loses all abilities and has "{T}: Remove a task counter from this card. Then if it has no task counters on it, destroy this card.""
+1 more matching line
Volrath's Curse 97%
#24912
"Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent of their choice for that player to ignore this effect until end of turn."
+1 more matching line
Hold for Ransom 97%
$0.13#19115
"Enchanted creature can't attack or block and has "{7}: this card's controller sacrifices it and draws a card. Activate only as a sorcery.""
Cowed by Wisdom 96%
$0.18#22095
"Enchanted creature can't attack or block unless its controller pays {1} for each card in your hand."
+1 more matching line
Choking Restraints 94%
$0.12#23045
"Enchanted creature can't attack or block."
+1 more matching line