Mistvein Borderpost {1}{U}{B}
Artifact
You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost.
This artifact enters tapped.
{T}: Add {U} or {B}.
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.
Wildfield Borderpost 100%
$0.16#19043
"You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost."
+1 more matching line
Fieldmist Borderpost 100%
$0.25#16204
"You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost."
+2 more matching lines
Veinfire Borderpost 100%
$0.28#16911
"You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost."
+2 more matching lines
Firewild Borderpost 100%
$0.25#17566
"You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost."
+1 more matching line
Devour in Flames 80%
$0.06#24392
"As an additional cost to cast this spell, return a land you control to its owner's hand."
Deprive 80%
$0.34#9747
"As an additional cost to cast this spell, return a land you control to its owner's hand."