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Fervent Mastery
Sorcery
rare
You may pay rather than pay this spell's mana cost. If the cost was paid, an opponent discards any number of cards, then draws that many cards. Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.
Semantic Tags
A spell that replaces itself by drawing a card as part of its resolution.
Puts additional cards into your hand. Includes direct draw, 'look/reveal and put into hand' effects, and conditional draw triggers.
Random, chaotic, or coin-flip effects that create unpredictable game states.
Benefits from discarding cards — madness, Waste Not effects, Oskar strategies.
A keyword ability that allows a player to cast a double-faced card transformed from the graveyard. See rule 702.146, “Disturb.”
Forces opponents to discard cards from their hand. Targeted discard, mass discard, and discard-or-pay effects.
Forces opponents to discard cards from their hand. Targeted discard, mass discard, and discard-or-pay effects.
A keyword ability that lets a player cast a card they discard. See rule 702.35, “Madness.”
Searches your library for a specific card. Named after Demonic Tutor. Excludes land search (that's ramp).
Format Legality
Price history
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Printings (5)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| Magic Online Promos#90096 | rare | · | · | · |
| Strixhaven: School of Mages#101 | rare | · | · | · |
| Strixhaven: School of Mages Promos#101p | rare | · | · | · |
| Strixhaven: School of Mages#311 | rare | · | · | · |
| Strixhaven: School of Mages Promos#101s | rare | · | · | · |
Related Rules
After resolving a madness triggered ability (see rule 702.35), if the exiled card wasn’t cast and was moved to a public zone, effects referencing the discarded card can find that object.
Madness
Madness is a keyword that represents two abilities. The first is a static ability that functions while the card with madness is in a player’s hand. The second is a triggered ability that functions when the first ability is applied. “Madness [cost]” means “If a player would discard this card, that player discards it, but exiles it instead of putting it into their graveyard” and “When this card is exiled this way, its owner may cast it by paying [cost] rather than paying its mana cost. If that player doesn’t, they put this card into their graveyard.”
Casting a spell using its madness ability follows the rules for paying alternative costs in rules 601.2b and 601.2f–h.
After resolving a madness triggered ability, if the exiled card wasn’t cast and was moved to a public zone, effects referencing the discarded card can find that card. See rule 400.7k.
Disturb
Disturb is an ability found on the front face of some double-faced cards (see rule 712, “Double-Faced Cards”). “Disturb [cost]” means “You may cast this card transformed from your graveyard by paying [cost] rather than its mana cost.” See rule 712.8c.
A resolving double-faced spell that was cast using its disturb ability enters the battlefield with its back face up.
Rulings
If the {2}{R}{R} cost was paid, the opponent chooses how many and which cards to discard as Fervent Mastery resolves. They may choose to discard no cards.
The mana value of a spell on the stack is determined by its mana cost, not any alternative costs you used to pay for it.
If you copy a “Mastery” spell and the alternative cost was paid, the copy will resolve as though the cost was paid.
If an effect increases or decreases the cost of spells you cast, that cost increase or decrease is applied to the alternative cost you chose to pay. In that case, the cost was still paid for the purposes of the effect, even if you paid more or less for it when it was cast.
In a multiplayer game, you choose which opponent takes the prescribed action as the spell resolves.
If you choose to pay one alternative cost, you can’t pay any other alternative costs. For example, if an effect lets you cast a “Mastery” spell “without paying its mana cost,” you can’t also choose to pay its given alternative cost.