Heartwood Dryad {1}{G}
Creature — Dryad
This creature can block creatures with shadow as though it had shadow.
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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.
Wall of Diffusion 100%
#28021
"This creature can block creatures with shadow as though it had shadow."
Aetherflame Wall 100%
$0.06#23254
"This creature can block creatures with shadow as though they didn't have shadow."