Obsidian Obelisk 
Artifact
$0.66 #10416 0.07 4.0 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%
$1.24↑#6333↑0.0720.3 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%
$1.11↑#2097↑0.0020.1 years↑
": Add one mana of the chosen color."
: Add one mana of the chosen color."+1 more matching line
Pillar of Origins88%
$0.45↓#5907↑0.17↑8.9 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%
$0.65↓#6736↑0.27↑7.6 years↑
": Add one mana of any color."
: Add one mana of any color."
Dungeon Map85%
$0.25↓#86980.47↑5.1 years↑
": Add ."
: Add ."
Altar of the Lost83%
$0.05↓#23608↓0.0614.6 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
Humble Naturalist81%
$0.20↓#17013↓0.48↑6.4 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%
$1.42↑#16640↓0.009.8 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
Wildfield Borderpost80%
$0.15↓#19401↓0.0617.3 years↑
"This artifact enters tapped."
Fieldmist Borderpost80%
$0.23↓#16259↓0.0517.3 years↑
"This artifact enters tapped."
Mistvein Borderpost80%
$0.16↓#16578↓0.0017.3 years↑
"This artifact enters tapped."
Firewild Borderpost80%
$0.28↓#17865↓0.38↑17.3 years↑
"This artifact enters tapped."
Veinfire Borderpost80%
$0.30↓#17202↓0.0017.3 years↑
"This artifact enters tapped."
Wand of the Worldsoul80%
$3.86↑#5602↑0.62↑3.4 years
"This artifact enters tapped."
Throne of Eldraine80%
$28.44↑#878↑0.25↑3.0 years
": Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color."
: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color."
Darksteel Ingot80%
$0.20↓#2041↑0.27↑22.7 years↑
": Add one mana of any color."
: Add one mana of any color."
Replicating Ring80%
$0.44↓#1598↑0.36↑5.6 years↑
": Add one mana of any color."
: Add one mana of any color."
Sky Diamond80%
$0.23↓#794↑0.0029.9 years↑
"This artifact enters tapped."
Charcoal Diamond80%
$0.26↓#692↑0.0029.9 years↑
"This artifact enters tapped."
Moss Diamond80%
$0.21↓#4332↑0.47↑29.9 years↑
"This artifact enters tapped."