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.
Hidden Hideout 100%
$2.80#4388
"{T}: Add one mana of any color in your commander's color identity."
Command Tower 100%
$0.31#2
"{T}: Add one mana of any color in your commander's color identity."
Arcane Signet 100%
$0.57#3
"{T}: Add one mana of any color in your commander's color identity."
Path of Ancestry 98%
$0.16#14
"{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1."