Black Carriage 


Creature — Horse
Trample
This creature doesn't untap during your untap step.
Sacrifice a creature: Untap this creature. Activate only during your upkeep.
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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.
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+1 more matching line
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+1 more matching line