Echoing Deeps
Land — Cave
You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types.
{T}: Add {C}.
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.
Mariposa Military Base 86%
$0.35#5313
"You may have this land enter tapped. If you do, you get two rad counters."
+1 more matching line
Vesuva 84%
$3.40#916
"You may have this land enter tapped as a copy of any land on the battlefield."