Fog on the Barrow-Downs {2}{W}
Enchantment — Aura
Enchant creature
Enchanted creature is a Spirit and can't attack or block. (It loses all other creature types.)
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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.
Dog Umbra 85%
$0.14#7020
"As long as another player controls enchanted creature, it can't attack or block. Otherwise, this Aura has umbra armor."
Choking Restraints 84%
$0.12#23045
"Enchanted creature can't attack or block."
+1 more matching line
Pious Interdiction 84%
$0.18#25571
"Enchanted creature can't attack or block."
+1 more matching line
Spiral into Solitude 84%
$0.12#17771
"Enchanted creature can't attack or block."
+1 more matching line