Karametra's Favor {1}{G}
Enchantment — Aura
Enchant creature
When this Aura enters, draw a card.
Enchanted creature has "{T}: Add one mana of any color."
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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.
Multani's Harmony 100%
$0.32#20812
"Enchanted creature has "{T}: Add one mana of any color.""
+1 more matching line
Utopia Vow 100%
$0.13#22423
"Enchanted creature has "{T}: Add one mana of any color.""
+1 more matching line