Stasis Cell {4}{U}
Enchantment — Aura
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
{3}{U}: Attach this Aura to target creature.
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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.
Kjeldoran Pride 89%
$0.07#31445
"{2}{U}: Attach this Aura to target creature other than enchanted creature."
+1 more matching line
Controlled Instincts 100%
$0.07#30180
"Enchanted creature doesn't untap during its controller's untap step."
Unquenchable Thirst 100%
$0.02#29276
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Ringing Strike Mastery 100%
$0.15#14343
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Containment Membrane 100%
$0.06#24835
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Bind the Monster 100%
$0.19#22704
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Bitter Chill 100%
$0.25#12816
"Enchanted creature doesn't untap during its controller's untap step."
Apathy 100%
$0.18#23400
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Sleeping Potion 100%
$0.14#29365
"Enchanted creature doesn't untap during its controller's untap step."
Singing Bell Strike 100%
$0.04#22497
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Containment Protocol 100%
$0.28#29119
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Bonds of Quicksilver 100%
$0.09#27180
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Frozen Solid 100%
$0.10#25119
"Enchanted creature doesn't untap during its controller's untap step."
Ray of Frost 100%
$0.14#23135
"Enchanted creature doesn't untap during its controller's untap step."
Runner's Bane 100%
$0.05#28830
"Enchanted creature doesn't untap during its controller's untap step."
Encase in Ice 100%
$0.07#27561
"Enchanted creature doesn't untap during its controller's untap step."