Quick Answer

Swimmer in Nightmares is a uncommon Creature — Nightmare Merfolk from THB (THB) costing {2}{U}. Current price: $0.12 USD. Legal in Modern. Legal in Commander.

Swimmer in Nightmares MTG card

Swimmer in Nightmares

Creature — Nightmare Merfolk

Card Text

This creature gets +3/+0 as long as there are ten or more cards in a single graveyard. This creature can't be blocked as long as you control an Ashiok planeswalker.

Ashiok's minions plumb the depths of the ocean and the psyche.

Card Stats

1/4 uncommon CMC: 3.0 THB THB 🎨 Lucas Graciano

Market Prices

TCGPlayer
$0.12
Normal
Buy
Card Kingdom
$0.35
Normal
Buy
Cardmarket
€0.07
Normal
Buy
Cardmarket
€0.05
Foil
Buy
Prices updated: 2025-12-04

Format Legality

Brawl Legal
Commander Legal
Duel Legal
Gladiator Legal
Historic Legal
Legacy Legal
Modern Legal
Oathbreaker Legal
Pioneer Legal
Timeless Legal
Vintage Legal

Similar Cards

Community Stats

-
Decks Using This Card
-
Comments

Often Played With

Loading...

Frequently Asked Questions

What is Swimmer in Nightmares? Basics

Swimmer in Nightmares is a Creature — Nightmare Merfolk card from the Magic: The Gathering trading card game.

Its ability reads: "This creature gets +3/+0 as long as there are ten or more cards in a single graveyard. This creature can't be blocked as long as you control an Ashiok planeswalker."

How much mana does Swimmer in Nightmares cost to cast? Basics

Swimmer in Nightmares has a mana cost of {2}{U}, which equals 3.0 total mana (converted mana cost/mana value).

It requires U 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.

Swimmer in Nightmares's mana cost of {2}{U} 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.

Swimmer in Nightmares has a mana value of 3.0. 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.

Swimmer in Nightmares's current oracle text is: "This creature gets +3/+0 as long as there are ten or more cards in a single graveyard. This creature can't be blocked as long as you control an Ashiok planeswalker."

What is the current price of Swimmer in Nightmares? Pricing

The current market price for Swimmer in Nightmares is approximately $0.12 USD on TCGPlayer.

On Cardmarket (Europe), it's approximately €0.07 EUR.

Where can I buy Swimmer in Nightmares? Pricing

You can purchase Swimmer in Nightmares 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 Swimmer in Nightmares legal in Standard? Legality

Format legality information for Swimmer in Nightmares in Standard is not available.

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

Is Swimmer in Nightmares legal in Modern? Legality

Swimmer in Nightmares is Legal in Modern format.

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

Is Swimmer in Nightmares legal in Commander (EDH)? Legality

Swimmer in Nightmares 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 Swimmer in Nightmares legal in Pioneer? Legality

Swimmer in Nightmares is Legal in Pioneer format.

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

Is Swimmer in Nightmares legal in Legacy? Legality

Swimmer in Nightmares is Legal in Legacy format.

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

Is Swimmer in Nightmares legal in Vintage? Legality

Swimmer in Nightmares 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 Swimmer in Nightmares legal in Pauper? Legality

Format legality information for Swimmer in Nightmares 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 Swimmer in Nightmares from? Details

This printing of Swimmer in Nightmares is from THB (THB), with collector number 275.

Swimmer in Nightmares may also appear in other MTG sets with different art or special treatments.

What is Swimmer in Nightmares's rarity? Details

Swimmer in Nightmares is a uncommon card in THB.

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

Who illustrated Swimmer in Nightmares? Details

Swimmer in Nightmares was illustrated by Lucas Graciano.

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

What is Swimmer in Nightmares's power and toughness? Details

Swimmer in Nightmares is a 1/4 creature.

Power (1) determines how much combat damage the creature deals. Toughness (4) determines how much damage it can take before being destroyed.

💬 Card Discussion

Log in to leave a comment

Loading comments...

Want to build a deck with this card?

Sign up or log in to start deck building

Log In to Build Decks