Mage-Ring Responder 
Artifact Creature — Golem
$0.17 #22650 0.25 11.1 years
This creature doesn't untap during your untap step.
Whenever this creature attacks, it deals 7 damage to target creature defending player controls.
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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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: Untap this creature. Activate only during your upkeep."
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"At the beginning of your upkeep, you may pay
. If you do, untap this creature."
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"At the beginning of your upkeep, you may pay
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