Muse Vortex {X}{U}{U}
Sorcery
Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.
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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.
Epic Experiment 98%
$0.31#6017
"Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard."
Culmination of Studies 91%
$0.20#17008
"Exile the top X cards of your library. For each land card exiled this way, create a Treasure token. For each blue card exiled this way, draw a card. For each red card exiled this way, this card deals 1 damage to each opponent."
March of Reckless Joy 91%
$0.33#7549
"Exile the top X cards of your library. You may play up to two of those cards until the end of your next turn."
Commune with Lava 90%
$0.71#3860
"Exile the top X cards of your library. Until the end of your next turn, you may play those cards."
Zenith Festival 89%
$0.27#7518
"Exile the top X cards of your library. You may play them until the end of your next turn."
Collected Conjuring 87%
$0.31#19590
"Exile the top six cards of your library. You may cast up to two sorcery spells with mana value 3 or less from among them without paying their mana costs. Put the exiled cards not cast this way on the bottom of your library in a random order."
Aminatou's Augury 86%
$0.36#2541
"Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost."
Brilliant Ultimatum 85%
$1.44#12241
"Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost."
The Parting of the Ways 84%
$0.31#9422
"Exile the top five cards of your library. For each nonland card exiled this way, put a number of time counters on that card equal to its mana value. If it doesn't have suspend, it gains suspend."
Escape to the Wilds 82%
$0.26#2293
"Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn."