Rhystic Cave
Land
$0.34 #20206 0.08 26.4 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↑0.0817.7 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%
$3.90↑#4761↑0.0723.0 years↓
": Add one mana of any color."
: Add one mana of any color."
Ravaged Highlands81%
$0.14↓#25310↓0.0625.1 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Abandoned Outpost81%
$0.18↓#220120.0025.1 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Seafloor Debris81%
$0.21↓#24370↓0.0425.1 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Timberland Ruins81%
$0.13↓#24337↓0.0225.1 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Archaeological Dig81%
$0.41↑#175410.0826.0 years
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Bog Wreckage81%
$0.14↓#224860.0425.1 years↓
", Sacrifice this land: Add one mana of any color."
, Sacrifice this land: Add one mana of any color."
Thran Quarry80%
$3.66↑#14805↑0.1028.0 years↑
": Add one mana of any color."
: Add one mana of any color."
Aether Hub78%
$0.18↓#3454↑0.0310.1 years↓
", Pay 
: Add one mana of any color."
, Pay : Add one mana of any color."
Ancient Ziggurat78%
$0.33↓#2491↑0.0617.7 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%
$0.24↓#3055↑0.0110.7 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↓#2682↑0.019.3 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%
$8.59↑#740↑0.0522.1 years↓
": Add one mana of any color."
: Add one mana of any color."
Transguild Promenade76%
$0.13↓#8187↑0.0714.0 years↓
": Add one mana of any color."
: Add one mana of any color."
Profane Procession // Tomb of the Dusk Rose76%
$0.37↑#15986↑0.23↑8.8 years↓
": Add one mana of any color."
: Add one mana of any color."
Rupture Spire76%
$0.11↓#6257↑0.0717.7 years↓
": Add one mana of any color."
: Add one mana of any color."
Archway Commons76%
$0.12↓#9278↑0.025.5 years↓
": Add one mana of any color."
: Add one mana of any color."
Gateway Plaza76%
$0.15↓#2648↑0.028.0 years↓
": Add one mana of any color."
: Add one mana of any color."
Tendo Ice Bridge76%
$0.37↑#7739↑0.0621.7 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."