Ian Malcolm, Chaotician {1}{U}{R}
Legendary Creature — Human Scientist
Whenever a player draws their second card each turn, that player exiles the top card of their library.
During each player's turn, that player may cast a spell from among the cards they don't own exiled with Ian Malcolm, and mana of any type can be spent to cast it.
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Arcane Laboratory 92%
$0.72#9666
"Each player can't cast more than one spell each turn."
Archon of Emeria 92%
$2.13#2072
"Each player can't cast more than one spell each turn."
Rule of Law 92%
$0.47#3421
"Each player can't cast more than one spell each turn."
High Noon 92%
$5.70#7456
"Each player can't cast more than one spell each turn."
Eidolon of Rhetoric 92%
$0.59#3418
"Each player can't cast more than one spell each turn."
Shared Fate 91%
$0.65#15027
"If a player would draw a card, that player exiles the top card of one of their opponents' libraries face down instead."
Dosan the Falling Leaf 90%
$27.54#6139
"Players can cast spells only during their own turns."
Omen Machine 88%
$2.71#9842
"At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able."
Deafening Silence 88%
$2.03#1946
"Each player can't cast more than one noncreature spell each turn."
Knowledge Pool 87%
$1.03#6771
"Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with this artifact without paying its mana cost."
Weftwalking 87%
$0.35#14864
"The first spell each player casts during each of their turns may be cast without paying its mana cost."
City of Solitude 87%
$24.45#12894
"Players can cast spells and activate abilities only during their own turns."
Backdraft 85%
$3.84#28105
"Choose a player who cast one or more sorcery spells this turn. this card deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down."
Tidal Barracuda 84%
$9.16#4323
"Any player may cast spells as though they had flash."
Ugin's Nexus 84%
$1.93#7112
"If a player would begin an extra turn, that player skips that turn instead."
Gerrard's Hourglass Pendant 84%
$2.89#7363
"If a player would begin an extra turn, that player skips that turn instead."
Phyrexian Censor 83%
$0.33#4365
"Each player can't cast more than one non-Phyrexian spell each turn."
Yawgmoth's Agenda 83%
$0.58#26435
"You can't cast more than one spell each turn."
+1 more matching line
Colfenor's Plans 83%
$0.37#18876
"You can't cast more than one spell each turn."
Moderation 83%
$0.29#14911
"You can't cast more than one spell each turn."