Esoteric Duplicator 

Artifact — Clue
Whenever you sacrifice this artifact or another artifact, you may pay {2}. If you do, at the beginning of the next end step, create a token that's a copy of that artifact.
{2}, Sacrifice this artifact: Draw a card.
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.
Scroll of Avacyn 92%
$0.26#17000
"{1}, Sacrifice this artifact: Draw a card. If you control an Angel, you gain 5 life."
Culling Dais 85%
$0.17#7386
"{1}, Sacrifice this artifact: Draw a card for each charge counter on this artifact."
Dargo, the Shipwrecker 83%
$0.21#8006
"As an additional cost to cast this spell, you may sacrifice any number of artifacts and/or creatures. This spell costs {2} less to cast for each permanent sacrificed this way and {2} less to cast for each other artifact or creature you've sacrificed this turn."