Allure of the Unknown is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost.
Complete guide
Allure of the Unknown is a high-risk, high-reward sorcery that tests your luck and your opponent's judgment. For five mana, you get a massive hand refill, but you must be prepared to face one of your own spells cast back at you for free.
What It Does
When you cast Allure of the Unknown, you reveal the top six cards of your library. Your opponent chooses one nonland card from those six to exile, and the remaining cards go directly into your hand. The opponent then gets the immediate opportunity to cast the exiled card without paying its mana cost.
How It Resolves Step by Step
First, you reveal the top six cards for all players to see. Second, you choose an opponent who must select one nonland card from that group. Third, that card is exiled while all other revealed cards (including all lands) are put into your hand. Finally, the opponent decides whether to cast the exiled card immediately. If they decline or cannot cast it, the card remains in exile and cannot be cast later.
Common Mistakes to Avoid
Players often forget that the opponent's casting happens during the resolution of Allure of the Unknown. This means they ignore normal timing rules and can cast a sorcery even though it is currently your turn. Additionally, if the opponent chooses a card with X in its mana cost, the value of X must be 0. If they choose a card with an additional cost, they must still pay that cost to successfully cast the spell.
When to Play It
This card is best used when your deck is filled with cards that are specifically powerful for you but useless for your opponent, or when you have a way to handle whatever they might steal. It is an excellent way to dig deep for answers if you can afford to let your opponent have one free spell.
Interaction examples
If you reveal six cards and all six happen to be lands, your opponent cannot exile anything because the card specifies a 'nonland card.' In this rare scenario, you simply put all six lands into your hand, and your opponent gets nothing.
You reveal six cards, including Damnation. Your opponent, fearing your board state, chooses to exile Damnation. Because the spell resolves during Allure's resolution, the opponent casts Damnation immediately, destroying all creatures on the battlefield before you even receive your other five cards in hand.
Your opponent exiles Mana Geyser from your revealed cards. While they can cast it for free, if your own lands are all untapped, Mana Geyser will add zero red mana to their pool. This demonstrates how picking a context-heavy card can backfire for the opponent.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Allure of the Unknown
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
If all six of the revealed cards are land cards, your opponent doesn’t exile anything. You put all six cards into your hand.
No other card is named in this ruling.
- #2· Wizards of the Coast
If your opponent wishes to cast the card, they do so as part of the resolution of Allure of the Unknown. They can’t wait to cast it later. Timing permissions based on a card’s type are ignored.
No other card is named in this ruling.
- #3· Wizards of the Coast
If you cast a spell “without paying its mana cost,” you can’t choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, such as that of Thrill of Possibility, those must be paid to cast the card.
No other card is named in this ruling.
- #4· Wizards of the Coast
If a spell has
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
No other card is named in this ruling.
Legal formats
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Meta decks with Allure of the Unknown
No archived Top 8 deck with this card yet.



Damnation
Mana Geyser