Crimson Honor Guard {3}{R}{R}
Creature — Vampire Knight
Trample
At the beginning of each player's end step, this creature deals 4 damage to that player unless they control a commander.
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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.
Titan Hunter 85%
$0.28#14811
"At the beginning of each player's end step, if no creatures died this turn, this creature deals 4 damage to that player."