Horizon Explorer 
Creature — Insect Scout
$2.31 #1734 0.40 1.2 years
Lands you control enter untapped.
Whenever you attack a player, create a Lander token. (It's an artifact with ", 
, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
, , Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")Click a line or tag to filter
Cards similar to Horizon Explorer 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.
Spelunking82%
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"Lands you control enter untapped."
The Wandering Minstrel79%
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"Lands you control enter untapped."
Primeval Herald76%
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"Whenever this creature enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
Sword of the Animist76%
$2.59↑#235↑0.3311.3 years↑
"Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
Seedship Agrarian76%
$0.26↓#10723↓0.06↓1.2 years
"Whenever this creature becomes tapped, create a Lander token."
+1 more matching line
Bitterthorn, Nissa's Animus72%
$5.79↑#19280.27↓3.5 years↑
"Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
Gond Gate70%
$1.56↓#2664↓0.05↓4.4 years↑
"Gates you control enter untapped."
Lumbering Worldwagon70%
$0.37↓#4109↓0.23↓1.7 years
"Whenever this Vehicle enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
Purestrain Genestealer70%
$0.41↓#11795↓0.00↓4.0 years↑
"Whenever this creature attacks, you may remove a +1/+1 counter from it. If you do, search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
The Earth King70%
$1.98↓#2553↓0.360.9 years
"Whenever one or more creatures you control with power 4 or greater attack, search your library for up to that many basic land cards, put them onto the battlefield tapped, then shuffle."