Summoning Station 
Artifact
{T}: Create a 2/2 colorless Pincher creature token.
Whenever an artifact is put into a graveyard from the battlefield, you may 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.
Ashnod's Battle Gear 89%
$0.20#30335
"You may choose not to untap this artifact during your untap step."
Vedalken Shackles 89%
$7.66#11447
"You may choose not to untap this artifact during your untap step."
Deserter's Quarters 89%
$0.05#29280
"You may choose not to untap this artifact during your untap step."
Helm of Possession 89%
$5.07#14749
"You may choose not to untap this artifact during your untap step."
Unwinding Clock 89%
$18.72#545
"Untap all artifacts you control during each other player's untap step."