Door to Nothingness {5}
Artifact
This artifact enters tapped.
{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice this artifact: Target player loses the game.
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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.
Cryptolith Fragment // Aurora of Emrakul 100%
$0.27#4720
"This artifact enters tapped."
+1 more matching line