Corrupted Grafstone 
Artifact
$0.27 #15688 0.12 10.4 years
This artifact enters tapped.
: Choose a color of a card in your graveyard. Add one mana of that color.Click a line or tag to filter
Cards similar to Corrupted Grafstone 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.
Wand of the Worldsoul87%
$3.86↑#5602↑0.62↑3.4 years↓
"This artifact enters tapped."
Coldsteel Heart86%
$1.11↑#2097↑0.00↓20.1 years↑
": Add one mana of the chosen color."
: Add one mana of the chosen color."+1 more matching line
Wildfield Borderpost80%
$0.15↓#19401↓0.0617.3 years↑
"This artifact enters tapped."
Fieldmist Borderpost80%
$0.23↓#162590.0517.3 years↑
"This artifact enters tapped."
Mistvein Borderpost80%
$0.16↓#165780.00↓17.3 years↑
"This artifact enters tapped."
Veinfire Borderpost80%
$0.30↑#172020.00↓17.3 years↑
"This artifact enters tapped."
Sunbird Standard // Sunbird Effigy78%
$0.17↓#136750.29↑2.8 years↓
": Add one mana of any color."
: Add one mana of any color."
Sky Diamond78%
$0.23↓#794↑0.00↓29.9 years↑
"This artifact enters tapped."
Charcoal Diamond78%
$0.26↓#692↑0.00↓29.9 years↑
"This artifact enters tapped."
Moss Diamond78%
$0.21↓#4332↑0.47↑29.9 years↑
"This artifact enters tapped."
Cryptolith Fragment // Aurora of Emrakul78%
$0.29↑#4862↑0.0510.1 years
"This artifact enters tapped."
Fire Diamond78%
$0.24↓#709↑0.22↑29.9 years↑
"This artifact enters tapped."
Marble Diamond78%
$0.18↓#1121↑0.47↑29.9 years↑
"This artifact enters tapped."
Nyx Lotus76%
$4.77↑#1744↑0.26↑6.6 years↓
": Choose a color. Add an amount of mana of that color equal to your devotion to that color."
: Choose a color. Add an amount of mana of that color equal to your devotion to that color."+1 more matching line
Prismatic Geoscope76%
$1.42↑#166400.00↓9.8 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
Replicating Ring76%
$0.44↑#1598↑0.36↑5.6 years↓
": Add one mana of any color."
: Add one mana of any color."
Darksteel Ingot76%
$0.20↓#2041↑0.27↑22.7 years↑
": Add one mana of any color."
: Add one mana of any color."
Chrome Mox76%
$154.05↑#148↑1.47↑22.9 years↑
": Add one mana of any of the exiled card's colors."
: Add one mana of any of the exiled card's colors."
Khalni Gem75%
$0.26↓#162160.67↑16.9 years↑
": Add two mana of any one color."
: Add two mana of any one color."
Ancient Cornucopia74%
$4.74↑#8189↑0.00↓2.4 years↓
": Add one mana of any color."
: Add one mana of any color."