Alpine Moon 
Enchantment
$0.30 #24520 0.47 8.3 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%
$0.98↑#9000↑0.410.5 years↓
"Lands with the chosen name have ": Add 
.""
: Add .""+1 more matching line
Pale Moon78%
$0.47↑#279220.72↑26.7 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↑#15963↑0.86↑8.8 years
"All lands lose all abilities except mana abilities."
Blood Moon76%
$6.66↑#1553↑2.24↑32.2 years↑
"Nonbasic lands are Mountains."
Magus of the Moon76%
$3.50↑#3430↑1.93↑19.5 years↑
"Nonbasic lands are Mountains."
Toxicrene74%
$0.71↑#13867↑0.67↑4.0 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%
$1.60↑#3933↑1.66↑2.3 years↓
"Nonbasic lands are Islands."
Ravenous Baboons70%
$2.78↑#17025↑0.4428.3 years↑
"When this creature enters, destroy target nonbasic land."
Zhao, the Moon Slayer70%
$0.28↓#10040↑1.10↑0.9 years↓
"Nonbasic lands enter tapped."