Heartwood Dryad can block creatures with shadow (This creature can block or be blocked by only creatures with shadow.) as though Heartwood Dryad had shadow (This creature can block or be blocked by only creatures with shadow.).
The information presented on this site about Magic: The Gathering, both literal and graphical, is copyrighted by Wizards of the Coast.
This website is not produced, endorsed, supported, or affiliated with Wizards of the Coast.