Undertow 
Enchantment
$1.63 #31584 0.25 32.3 years
Creatures with islandwalk can be blocked as though they didn't have islandwalk.
Click a line or tag to filter
Cards similar to Undertow 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.
Gosta Dirk98%
$18.71↑#307960.40↑32.3 years
"Creatures with islandwalk can be blocked as though they didn't have islandwalk."
Crevasse96%
$1.47↓#315500.2432.3 years
"Creatures with mountainwalk can be blocked as though they didn't have mountainwalk."
Ur-Drago96%
$18.37↑#309850.00↓32.3 years
"Creatures with swampwalk can be blocked as though they didn't have swampwalk."
Quagmire96%
$1.68↑#313520.00↓32.3 years
"Creatures with swampwalk can be blocked as though they didn't have swampwalk."
Deadfall96%
$1.49↓#313500.53↑32.3 years
"Creatures with forestwalk can be blocked as though they didn't have forestwalk."
Lord Magnus96%
$3.54↑#306230.38↑32.3 years
"Creatures with forestwalk can be blocked as though they didn't have forestwalk."
Staff of the Ages95%
$0.53↓#313240.2931.3 years↓
"Creatures with landwalk abilities can be blocked as though they didn't have those abilities."
Great Wall95%
$1.27↓#305550.04↓32.3 years
"Creatures with plainswalk can be blocked as though they didn't have plainswalk."
Street Savvy80%
$0.07↓#297890.00↓20.3 years↓
"Enchanted creature gets +0/+2 and can block creatures with landwalk abilities as though they didn't have those abilities."
Merfolk Assassin80%
$0.34↓#294430.2932.1 years
"
: Destroy target creature with islandwalk."
: Destroy target creature with islandwalk."
Mystic Decree75%
$1.01↓#25039↑0.3030.9 years↓
"All creatures lose flying and islandwalk."