Rhystic Cave
Land
$0.32 #20010 0.32 26.3 years
: Choose a color. Add one mana of that color unless any player pays 
. Activate only as an instant.Click a line or tag to filter
Cards similar to Rhystic Cave 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.
Exotic Orchard84%
$0.23↓#9↑0.14↓17.6 years↓
": Add one mana of any color that a land an opponent controls could produce."
: Add one mana of any color that a land an opponent controls could produce."
Glimmervoid84%
$3.98↑#4738↑0.06↓22.9 years↓
": Add one mana of any color."
: Add one mana of any color."
Archaeological Dig81%
$0.40↑#174750.17↓25.9 years
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Ravaged Highlands81%
$0.16↓#25094↓0.08↓24.9 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Abandoned Outpost81%
$0.19↓#219530.04↓24.9 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Timberland Ruins81%
$0.15↓#24035↓0.08↓24.9 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Seafloor Debris81%
$0.23↓#24103↓0.08↓24.9 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Bog Wreckage81%
$0.15↓#222560.18↓24.9 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Thran Quarry80%
$3.84↑#14513↑0.12↓27.9 years↑
": Add one mana of any color."
: Add one mana of any color."
Aether Hub78%
$0.16↓#3415↑0.249.9 years↓
", Pay 
: Add one mana of any color."
, Pay : Add one mana of any color."
Ancient Ziggurat78%
$0.36↑#2554↑0.17↓17.6 years↓
": Add one mana of any color. Spend this mana only to cast a creature spell."
: Add one mana of any color. Spend this mana only to cast a creature spell."
Holdout Settlement78%
$0.21↓#2989↑0.09↓10.6 years↓
", Tap an untapped creature you control: Add one mana of any color."
, Tap an untapped creature you control: Add one mana of any color."
Survivors' Encampment78%
$0.29↓#2615↑0.11↓9.1 years↓
", Tap an untapped creature you control: Add one mana of any color."
, Tap an untapped creature you control: Add one mana of any color."
Forbidden Orchard77%
$9.45↑#719↑0.07↓21.9 years↓
": Add one mana of any color."
: Add one mana of any color."
Profane Procession // Tomb of the Dusk Rose76%
$0.43↑#15694↑0.328.6 years↓
": Add one mana of any color."
: Add one mana of any color."
Gateway Plaza76%
$0.15↓#2594↑0.15↓7.9 years↓
": Add one mana of any color."
: Add one mana of any color."
Rupture Spire76%
$0.09↓#6162↑0.03↓17.6 years↓
": Add one mana of any color."
: Add one mana of any color."
Transguild Promenade76%
$0.11↓#8097↑0.17↓13.9 years↓
": Add one mana of any color."
: Add one mana of any color."
Archway Commons76%
$0.14↓#9166↑0.06↓5.4 years↓
": Add one mana of any color."
: Add one mana of any color."
Vivid Grove76%
$0.23↓#4587↑0.08↓18.9 years↓
", Remove a charge counter from this land: Add one mana of any color."
, Remove a charge counter from this land: Add one mana of any color."