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Eris, Roar of the Storm
Legendary Creature — Elemental Warlock
mythic
This spell costs less to cast for each different mana value among instant and sorcery cards in your graveyard. Flying, prowess Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.
4/4
Card Kingdom
CardmarketSemantic Tags
Attacks quickly and deals damage efficiently. Includes haste, double strike, first strike, prowess, and cards that grant these.
A permanent or effect that makes spells or abilities cheaper to cast or activate.
Difficult to block or grants evasion. Includes flying, menace, fear, intimidate, shadow, skulk, horsemanship, unblockable effects, and cards that grant these abilities.
A keyword ability that restricts how a creature may be blocked. See rule 702.9, “Flying.”
Cares about cards in the graveyard, puts cards into the graveyard, or benefits from things dying.
Cares about casting noncreature spells — magecraft, prowess-adjacent strategies.
A card or token on the battlefield. See rule 110, “Permanents.”
A keyword ability that causes a creature to get +1/+1 whenever its controller casts a noncreature spell. See rule 702.108, “Prowess.”
Rewards casting instants and sorceries. Includes magecraft, prowess triggers, and spell-count payoffs.
Rewards casting instants and sorceries. Includes magecraft, prowess triggers, and spell-count payoffs.
Creates creature tokens, Treasure tokens, Food tokens, Clue tokens, or other token types.
Format Legality
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Printings (2)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| Outlaws of Thunder Junction Commander#41 | mythic | · | · | · |
| Outlaws of Thunder Junction Commander#5 | mythic | · | · | · |
Related Concepts
Related Rules
If an ability would produce one or more mana of an undefined type, it produces no mana instead.
Some abilities produce mana based on the type of mana another permanent or permanents “could produce.” The type of mana a permanent could produce at any time includes any type of mana that an ability of that permanent would produce if the ability were to resolve at that time, taking into account any applicable replacement effects in any possible order. Ignore whether any costs of the ability could or could not be paid. If that permanent wouldn’t produce any mana under these conditions, or no type of mana can be defined this way, there’s no type of mana it could produce.
To “tap [a permanent] for mana” is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, “Mana Abilities.”
An ability that triggers whenever a permanent “is tapped for mana” or is tapped for mana of a specified type triggers whenever such a mana ability resolves and produces mana or the specified type of mana.
A replacement effect that applies if a permanent “is tapped for mana” or tapped for mana of a specific type and/or amount modifies the mana production event while such an ability is resolving and producing mana or the specified type and/or amount of mana.
If an object’s enters-the-battlefield triggered ability or replacement effect refers to X, and the spell that became that object as it resolved had a value of X chosen for any of its costs, the value of X for that ability is the same as the value of X for that spell, although the value of X for that permanent is 0. This is an exception to rule 107.3i.
The tap symbol is {T}. The tap symbol in an activation cost means “Tap this permanent.” A permanent that’s already tapped can’t be tapped again to pay the cost. A creature’s activated ability with the tap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
The untap symbol is {Q}. The untap symbol in an activation cost means “Untap this permanent.” A permanent that’s already untapped can’t be untapped again to pay the cost. A creature’s activated ability with the untap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
Rulings
The mana value of a split card in the graveyard is the total mana value of both halves of that card. It does not have two mana values.
Spells that were cast before Eris entered the battlefield count. If Eris was the first spell you cast this turn, the next spell you cast this turn is your second spell.
The mana value of a double-faced card in your graveyard is always the mana value of the front face.
If the mana cost of a card in your graveyard includes {X}, X is 0 for the purpose of determining its mana value.