Obsidian Obelisk 
Artifact
$0.60 #10595 0.00 4.1 years
This artifact enters tapped.
: Add 
.: Add one mana of any color. Spend this mana only to cast a multicolored spell.Click a line or tag to filter
Cards similar to Obsidian Obelisk 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.
Pillar of the Paruns92%
$1.10↑#6401↑0.14↑20.5 years↑
": Add one mana of any color. Spend this mana only to cast a multicolored spell."
: Add one mana of any color. Spend this mana only to cast a multicolored spell."
Coldsteel Heart89%
$1.07↑#2118↑0.0020.2 years↑
": Add one mana of the chosen color."
: Add one mana of the chosen color."+1 more matching line
Pillar of Origins88%
$0.43↓#6050↑0.21↑9.1 years↑
": Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type."
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type."
Tome of the Guildpact88%
$0.66↑#6842↑0.11↑7.7 years↑
": Add one mana of any color."
: Add one mana of any color."
Dungeon Map85%
$0.29↓#88840.005.2 years↑
": Add ."
: Add ."
Altar of the Lost83%
$0.06↓#23650↓0.19↑14.7 years↑
": Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard."
: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard."+1 more matching line
Orazca Relic83%
$0.16↓#15752↓0.008.8 years↑
": Add ."
: Add ."
Humble Naturalist81%
$0.16↓#17349↓0.14↑6.5 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."
Prismatic Geoscope81%
$1.47↑#16914↓0.079.9 years↑
": Add X mana in any combination of colors, where X is the number of basic land types among lands you control."
: Add X mana in any combination of colors, where X is the number of basic land types among lands you control."+1 more matching line
Wand of the Worldsoul80%
$3.97↑#5770↑0.063.5 years
"This artifact enters tapped."
Wildfield Borderpost80%
$0.15↓#19146↓0.0517.5 years↑
"This artifact enters tapped."
Fieldmist Borderpost80%
$0.22↓#16211↓0.0517.5 years↑
"This artifact enters tapped."
Mistvein Borderpost80%
$0.17↓#16501↓0.0017.5 years↑
"This artifact enters tapped."
Veinfire Borderpost80%
$0.25↓#17181↓0.27↑17.5 years↑
"This artifact enters tapped."
Firewild Borderpost80%
$0.33↓#17745↓0.17↑17.5 years↑
"This artifact enters tapped."
Replicating Ring80%
$0.43↓#1634↑0.055.7 years↑
": Add one mana of any color."
: Add one mana of any color."
Sky Diamond80%
$0.26↓#824↑0.0630.0 years↑
"This artifact enters tapped."
Fire Diamond80%
$0.22↓#730↑0.0030.0 years↑
"This artifact enters tapped."
Marble Diamond80%
$0.20↓#1117↑0.0030.0 years↑
"This artifact enters tapped."
Cryptolith Fragment // Aurora of Emrakul80%
$0.31↓#4944↑0.25↑10.2 years↑
"This artifact enters tapped."