Font of Progress 
Artifact
This artifact enters with two oil counters on it.
{3}, {T}: Target player mills X cards, where X is the number of oil counters on 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.
Argent Dais 100%
$0.21#8859
"This artifact enters with two oil counters on it."
+1 more matching line
Keening Stone 93%
$0.42#9175
"{5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard."
Grindstone 85%
#6313
"{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
Grindclock 84%
$0.34#13771
"{T}: Target player mills X cards, where X is the number of charge counters on this artifact."