Quick Answer

Seymour Flux is a rare Legendary Creature — Spirit Avatar from FIN (FIN) costing {4}{B}. Current price: $1.29 USD. Legal in Modern. Legal in Commander. Legal in Standard.

Seymour Flux MTG card

Seymour Flux

Legendary Creature — Spirit Avatar

Card Text

At the beginning of your upkeep, you may pay 1 life. If you do, draw a card and put a +1/+1 counter on Seymour Flux.

"Your hope ends here. And your meaningless existence with it."

Card Stats

5/5 rare CMC: 5.0 FIN FIN 🎨 K-SUWABE

What kind of card is this?

Use these role hubs to find similar staples, upgrades, and answers.

Market Prices

TCGPlayer
$1.29
Normal
Buy
TCGPlayer
$5.83
Foil
Buy
Card Kingdom
$1.79
Normal
Buy
Card Kingdom
$7.99
Foil
Buy
Cardmarket
€1.64
Normal
Buy
Cardmarket
€9.82
Foil
Buy
Prices updated: 2025-12-16

Format Legality

Alchemy Legal
Brawl Legal
Commander Legal
Duel Legal
Future Legal
Gladiator Legal
Historic Legal
Legacy Legal
Modern Legal
Oathbreaker Legal
Pioneer Legal
Standard Legal
Standardbrawl Legal
Timeless Legal
Vintage Legal

Similar Cards

Other Printings (2 total)

Community Stats

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Frequently Asked Questions

What is Seymour Flux? Basics

Seymour Flux is a Legendary Creature — Spirit Avatar card from the Magic: The Gathering trading card game.

Its ability reads: "At the beginning of your upkeep, you may pay 1 life. If you do, draw a card and put a +1/+1 counter on Seymour Flux."

How much mana does Seymour Flux cost to cast? Basics

Seymour Flux has a mana cost of {4}{B}, which equals 5.0 total mana (converted mana cost/mana value).

It requires B mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Seymour Flux's mana cost of {4}{B} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Seymour Flux has a mana value of 5.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Seymour Flux's current oracle text is: "At the beginning of your upkeep, you may pay 1 life. If you do, draw a card and put a +1/+1 counter on Seymour Flux."

What is the current price of Seymour Flux? Pricing

The current market price for Seymour Flux is approximately $1.29 USD on TCGPlayer.

A foil copy costs approximately $5.83 USD.

On Cardmarket (Europe), it's approximately €1.64 EUR.

Where can I buy Seymour Flux? Pricing

You can purchase Seymour Flux from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Seymour Flux normal: $1.29 | foil: $5.83

Is Seymour Flux legal in Standard? Legality

Seymour Flux is Legal in Standard format.

Standard is a rotating format that only allows cards from the most recent sets.

Is Seymour Flux legal in Modern? Legality

Seymour Flux is Legal in Modern format.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Seymour Flux legal in Commander (EDH)? Legality

Seymour Flux is Legal in Commander (EDH) format.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Seymour Flux legal in Pioneer? Legality

Seymour Flux is Legal in Pioneer format.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Seymour Flux legal in Legacy? Legality

Seymour Flux is Legal in Legacy format.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Seymour Flux legal in Vintage? Legality

Seymour Flux is Legal in Vintage format.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Seymour Flux legal in Pauper? Legality

Format legality information for Seymour Flux in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Seymour Flux from? Details

This printing of Seymour Flux is from FIN (FIN), with collector number 452.

Seymour Flux may also appear in other MTG sets with different art or special treatments.

What is Seymour Flux's rarity? Details

Seymour Flux is a rare card in FIN.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Seymour Flux? Details

Seymour Flux was illustrated by K-SUWABE.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

What is Seymour Flux's power and toughness? Details

Seymour Flux is a 5/5 creature.

Power (5) determines how much combat damage the creature deals. Toughness (5) determines how much damage it can take before being destroyed.

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