Alpine Moon 
Enchantment
$0.25 #24377 0.43 8.1 years
As this enchantment enters, choose a nonbasic land card name.
Lands your opponents control with the chosen name lose all land types and abilities, and they gain "
: Add one mana of any color."
: Add one mana of any color."Click a line or tag to filter
Cards similar to Alpine Moon 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.
Petrified Hamlet80%
$0.82↑#9844↑0.00↓0.4 years↓
"Lands with the chosen name have ": Add 
.""
: Add .""+1 more matching line
Pale Moon78%
$0.46↑#277580.75↑26.6 years↑
"Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type."
Blood Sun76%
$0.40↑#15783↑1.12↑8.6 years
"All lands lose all abilities except mana abilities."
Magus of the Moon76%
$3.97↑#3285↑1.75↑19.3 years↑
"Nonbasic lands are Mountains."
Blood Moon76%
$7.32↑#1485↑2.13↑32.1 years↑
"Nonbasic lands are Mountains."
Toxicrene74%
$0.70↑#13534↑0.06↓3.9 years↓
"All lands have ": Add one mana of any color" and lose all other abilities."
: Add one mana of any color" and lose all other abilities."
Harbinger of the Seas73%
$1.56↑#3774↑1.41↑2.2 years↓
"Nonbasic lands are Islands."
Ravenous Baboons70%
$2.63↑#16681↑0.16↓28.2 years↑
"When this creature enters, destroy target nonbasic land."
Zhao, the Moon Slayer70%
$0.32↑#10209↑0.00↓0.8 years↓
"Nonbasic lands enter tapped."