Temporal Aperture 
Artifact
$5.24 #23465 0.07 27.9 years
, 
: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)Click a line or tag to filter
Cards similar to Temporal Aperture 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.
Magus of the Future84%
$0.35↓#14217↑0.28↑19.3 years↓
"Play with the top card of your library revealed."
Garruk's Horde84%
$0.25↓#9288↑0.27↑15.1 years↓
"Play with the top card of your library revealed."
Future Sight84%
$0.23↓#7375↑0.0823.9 years↓
"Play with the top card of your library revealed."
Courser of Kruphix80%
$1.84↓#1284↑0.23↑12.6 years↓
"Play with the top card of your library revealed."
Oracle of Mul Daya78%
$2.50↓#503↑0.47↑16.9 years↓
"Play with the top card of your library revealed."
Oracle's Vault77%
$0.30↓#13050↑0.33↑9.4 years↓
": Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on this artifact."
: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on this artifact."
Conspicuous Snoop76%
$3.61↓#3265↑0.33↑6.2 years↓
"Play with the top card of your library revealed."
Melek, Izzet Paragon72%
$0.19↓#7411↑0.30↑13.4 years↓
"Play with the top card of your library revealed."
Djinn of Wishes71%
$0.12↓#18716↑0.0017.1 years↓
"
, Remove a wish counter from this creature: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it."
, Remove a wish counter from this creature: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it."