Madame Web, Clairvoyant 
Legendary Creature — Mutant Advisor
$0.25 #12292 0.27 1.0 years
You may look at the top card of your library any time.
You may cast Spider spells and noncreature spells from the top of your library.
Whenever you attack, you may mill a card. (You may put the top card of your library into your graveyard.)
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Cards similar to Madame Web, Clairvoyant 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.
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"You may look at the top card of your library any time."
+1 more matching line
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"You may look at the top card of your library any time."
+1 more matching line
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"You may look at the top card of your library any time."
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"You may look at the top card of your library any time."
The Reality Chip86%
$4.02↑#1059↑0.294.5 years↑
"You may look at the top card of your library any time."
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Galea, Kindler of Hope84%
$1.03↑#124540.60↑5.1 years↑
"You may look at the top card of your library any time."
Elsha of the Infinite84%
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"You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash."
+1 more matching line
Bolas's Citadel83%
$8.51↑#269↑1.72↑7.3 years↑
"You may look at the top card of your library any time."
+1 more matching line
Nalia de'Arnise82%
$0.23↓#8345↑0.00↓4.2 years↑
"You may look at the top card of your library any time."
+1 more matching line
The Fourth Doctor81%
$0.21↓#100840.67↑2.9 years↑
"You may look at the top card of your library any time."
Vizier of the Menagerie78%
$0.36↑#4270↑0.269.4 years↑
"You may cast creature spells from the top of your library."
+1 more matching line
Ranger Class78%
$0.38↑#7478↑0.17↓5.1 years↑
"You may cast creature spells from the top of your library."
+2 more matching lines
Sphinx of Jwar Isle78%
$0.10↓#21009↓0.53↑16.9 years↑
"You may look at the top card of your library any time."
Radha, Heart of Keld76%
$0.44↑#8118↑0.336.2 years↑
"You may look at the top card of your library any time, and you may play lands from the top of your library."
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$0.13↓#22110↓0.00↓2.8 years↑
"Whenever this creature attacks, mill a card."
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"Whenever this creature attacks, mill a card."
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"Whenever equipped creature attacks, you may mill two cards."
The Lunar Whale74%
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"As long as this card attacked this turn, you may play the top card of your library."
+1 more matching line
Iron Lad, Diverging Destiny74%
$0.24↓#122200.00↓0.2 years
"You may look at the top card of your library any time."