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Allure of the Unknown
Sorcery
rare
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.
Semantic Tags
Puts additional cards into your hand. Includes direct draw, 'look/reveal and put into hand' effects, and conditional draw triggers.
A keyword ability that lets you exile cards from your graveyard rather than pay generic mana to cast a spell. See rule 702.66, “Delve.”
Exile-based card advantage — exile cards from the top of your library and cast them temporarily. Red's primary draw mechanic.
Cares about or manipulates the top card(s) of your library. Includes scry, surveil, and top-deck payoffs.
Cares about or manipulates the top card(s) of your library. Includes scry, surveil, and top-deck payoffs.
Cares about or manipulates the top of library — Sensei's Top, miracles, Future Sight.
Format Legality
Price history
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Printings (5)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| Magic Online Promos#79937 | rare | · | · | · |
| Theros Beyond Death#332 | rare | · | · | · |
| Theros Beyond Death Promos#207p | rare | · | · | · |
| Theros Beyond Death Promos#207s | rare | · | · | · |
| Theros Beyond Death#207 | rare | · | · | · |
Related Rules
Delve
Delve is a static ability that functions while the spell with delve is on the stack. “Delve” means “For each generic mana in this spell’s total cost, you may exile a card from your graveyard rather than pay that mana.”
The delve ability isn’t an additional or alternative cost and applies only after the total cost of the spell with delve is determined.
Multiple instances of delve on the same spell are redundant.
Rulings
If a spell has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
If all six of the revealed cards are land cards, your opponent doesn’t exile anything. You put all six cards into your hand.
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.
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.