Explorer's Scope {1}
Artifact — Equipment
Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
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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.
Mobile Homestead 85%
$0.24#11970
"Whenever this Vehicle attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped."
Raiders' Karve 85%
$0.15#9210
"Whenever this Vehicle attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped."
Rulik Mons, Warren Chief 84%
$0.17#12851
"Whenever this card attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you didn't put a card onto the battlefield this way, create a 1/1 red Goblin creature token."
Glowcap Lantern 82%
$0.22#10987
"Equipped creature has "You may look at the top card of your library any time" and "Whenever this creature attacks, it explores.""
+1 more matching line
Wickerfolk Thresher 81%
$0.23#10404
"Whenever this creature attacks, if there are four or more card types among cards in your graveyard, look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand."
Hans Eriksson 81%
$0.13#17784
"Whenever this card attacks, reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking defending player or a planeswalker they control. Otherwise, put that card into your hand. When you put a creature card onto the battlefield this way, it fights this card."