Elkin Bottle 
Artifact
{3}, {T}: Exile the top card of your library. Until the beginning of your next upkeep, you may play that card.
click a line to search just that ability, click more to combine them
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.
Oracle's Vault 88%
$0.29#12686
"{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on this artifact."