Slagdrill Scrapper 
Artifact Creature — Robot Scout
{2}, {T}, Sacrifice another artifact or land: Draw a card.
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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.
Roadside Reliquary 88%
$0.20#3710
"{2}, {T}, Sacrifice this land: Draw a card if you control an artifact. Draw a card if you control an enchantment."
Expedition Map 83%
#451
"{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle."
Arcane Spyglass 83%
$0.14#20092
"{2}, {T}, Sacrifice a land: Draw a card and put a charge counter on this artifact."
Braidwood Sextant 83%
$0.22#24698
"{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal that card, put it into your hand, then shuffle."
Ominous Parcel 83%
$0.06#20244
"{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Horizon Spellbomb 83%
$0.08#19954
"{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle."
World Map 82%
$0.19#3245
"{3}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle."