Shambling Vent
Land
This land enters tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Until end of turn, this land becomes a 2/3 white and black Elemental creature with lifelink. It's still a land.
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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.
Restless Fortress 88%
$0.56#4393
"{2}{W}{B}: This land becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land."
+2 more matching lines