Quick Answer

Underdark Beholder is a rare Creature — Beholder from CMB1 (CMB1) costing {4}{B}{B}. Current price: $1.56 USD.

Underdark Beholder MTG card

Underdark Beholder

Creature — Beholder

Card Text

Underdark Beholder enters the battlefield with ten eyestalk counters on it. If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it. Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library.

Card Stats

6/6 rare CMC: 6.0 CMB1 CMB1 🎨 Chris Tulach
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What kind of card is this?

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Market Prices

TCGPlayer
$1.56
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Card Kingdom
$2.29
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Cardmarket
€4.08
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Prices updated: 2026-03-04
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Other Printings (2 total)

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Frequently Asked Questions

What is Underdark Beholder? Basics

Underdark Beholder is a Creature — Beholder card from the Magic: The Gathering trading card game.

Its ability reads: "Underdark Beholder enters the battlefield with ten eyestalk counters on it. If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it. Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library."

How much mana does Underdark Beholder cost to cast? Basics

Underdark Beholder has a mana cost of {4}{B}{B}, which equals 6.0 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.

Underdark Beholder's mana cost of {4}{B}{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.

Underdark Beholder has a mana value of 6.0. 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.

Underdark Beholder's current oracle text is: "Underdark Beholder enters the battlefield with ten eyestalk counters on it. If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it. Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library."

What is the current price of Underdark Beholder? Pricing

The current market price for Underdark Beholder is approximately $1.56 USD on TCGPlayer.

On Cardmarket (Europe), it's approximately €4.08 EUR.

Where can I buy Underdark Beholder? Pricing

You can purchase Underdark Beholder 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.

Is Underdark Beholder legal in Standard? Legality

Format legality information for Underdark Beholder in Standard is not available.

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

Is Underdark Beholder legal in Modern? Legality

Format legality information for Underdark Beholder in Modern is not available.

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

Is Underdark Beholder legal in Commander (EDH)? Legality

Format legality information for Underdark Beholder in Commander is not available.

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

Is Underdark Beholder legal in Pioneer? Legality

Format legality information for Underdark Beholder in Pioneer is not available.

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

Is Underdark Beholder legal in Legacy? Legality

Format legality information for Underdark Beholder in Legacy is not available.

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

Is Underdark Beholder legal in Vintage? Legality

Format legality information for Underdark Beholder in Vintage is not available.

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 Underdark Beholder legal in Pauper? Legality

Format legality information for Underdark Beholder 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 Underdark Beholder from? Details

This printing of Underdark Beholder is from CMB1 (CMB1), with collector number 49.

Underdark Beholder may also appear in other MTG sets with different art or special treatments.

What is Underdark Beholder's rarity? Details

Underdark Beholder is a rare card in CMB1.

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

Who illustrated Underdark Beholder? Details

Underdark Beholder was illustrated by Chris Tulach.

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

What is Underdark Beholder's power and toughness? Details

Underdark Beholder is a 6/6 creature.

Power (6) determines how much combat damage the creature deals. Toughness (6) determines how much damage it can take before being destroyed.

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