Helm of Obedience 
Artifact
$26.93 #12572 0.95 30.2 years
, 
: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice this artifact and put one of them onto the battlefield under your control. X can't be 0.Click a line or tag to filter
Cards similar to Helm of Obedience 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.
Thought Dissector74%
$0.32↓#27823↓0.50↓22.6 years↓
", : Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice this artifact. Put the rest of the revealed cards into that player's graveyard."
, : Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice this artifact. Put the rest of the revealed cards into that player's graveyard."
Geth, Lord of the Vault73%
$0.36↓#8153↑0.18↓15.9 years↓
"
: Put target artifact or creature card with mana value X from an opponent's graveyard onto the battlefield under your control tapped. Then that player mills X cards."
: Put target artifact or creature card with mana value X from an opponent's graveyard onto the battlefield under your control tapped. Then that player mills X cards."
Telemin Performance72%
$0.70↓#19002↓0.38↓17.6 years↓
"Target opponent reveals cards from the top of their library until they reveal a creature card. That player puts all noncreature cards revealed this way into their graveyard, then you put the creature card onto the battlefield under your control."