Evolving Door 
Artifact
$0.15 #19630 0.06 4.4 years
, 
, Sacrifice a creature: Count the colors of the sacrificed creature, then search your library for a creature card that's exactly that many colors plus one. Exile that card, then shuffle. You may cast the exiled card. Activate only as a sorcery.Click a line or tag to filter
Cards similar to Evolving Door 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.
Bring to Light74%
$0.34↑#5639↑0.50↑10.9 years↑
"Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost."
Kasmina, Enigma Sage72%
$1.07↑#12518↑0.27↑5.4 years↑
"−8: Search your library for an instant or sorcery card that shares a color with this planeswalker, exile that card, then shuffle. You may cast that card without paying its mana cost."