Grim Monolith {2}
Artifact
This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{4}: Untap this artifact.
click a line to search just that ability, click more to combine them
Cards that do something similar 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.
Mana Vault 100%
$113.72#145
"This artifact doesn't untap during your untap step."
+2 more matching lines
Elaborate Firecannon 100%
$0.05#28481
"This artifact doesn't untap during your untap step."
+1 more matching line
Basalt Monolith 100%
$3.75#561
"This artifact doesn't untap during your untap step."
+2 more matching lines
Ashnod's Battle Gear 95%
$0.20#30335
"You may choose not to untap this artifact during your untap step."
Vedalken Shackles 95%
$7.66#11447
"You may choose not to untap this artifact during your untap step."
Deserter's Quarters 95%
$0.05#29280
"You may choose not to untap this artifact during your untap step."