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Rules guide · Creature

SpellseekerHow it works & interactions with other cards

By the ManaCount desk· 3 min read· Commander Masters· August 4, 2023
Carte Magic Spellseeker

Spellseeker is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

When this creature enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

Complete guide

Spellseeker is a versatile blue creature that serves as a toolbox enabler, fetching the perfect low-cost answer or utility spell from your library. Its value lies in its efficiency, providing a body on the battlefield while replacing itself with a powerful instant or sorcery.

How the Ability Works

When Spellseeker enters the battlefield, its triggered ability goes on the stack. You search your library for an instant or sorcery card with a mana value of 2 or less. This includes cards with mana costs like {1}{U}, {R}{R}, or even {0}. Once found, you reveal the card, put it into your hand, and then shuffle your library.

Handling Variables and Splitting Costs

When calculating the mana value of a card in your library, any {X} in the mana cost is treated as 0. For example, a spell with a mana cost of {X}{U} has a mana value of 1 while in your library, making it a legal target for Spellseeker. Similarly, for split cards, if either half (or the combined total in certain zones) meets the requirement of 2 or less, you can find it.

Common Pitfalls

A common mistake is forgetting that Spellseeker's ability is optional ('you may search'). If you choose to search, you must reveal the card to prove it meets the criteria of being an instant or sorcery with mana value 2 or less. If you fail to find a card or choose not to find one, you still shuffle your library.

Strategic Timing

Play Spellseeker when you need to bridge the gap to your win condition or find a specific interaction. Because it is a creature, its ability can be easily abused through 'blink' effects or triggered ability doublers to keep your hand full of cheap, reactive spells.

Interaction examples

Double the Knowledge

If you control Roaming Throne with 'Wizard' chosen as the creature type, Spellseeker's ability triggers twice when it enters. This allows you to search for two separate instant or sorcery cards with mana value 2 or less, effectively tutoring for a full suite of interaction.

Sequential Searching

While Spellseeker and Solemn Simulacrum do not directly interact with each other's abilities, they represent a powerful 'enter the battlefield' chain. Using Spellseeker to find a cheap spell to protect Solemn Simulacrum ensures that you get both the land from the Simulacrum's entry and the card draw from its death trigger.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Spellseeker

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    If the mana cost of a card in your library includes {X}, X is considered to be 0.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Inalla, Archmage Ritualist
+Spellseeker
+Culling the Weak
+Shallow Grave
#1

Inalla, Archmage Ritualist + Spellseeker + Culling the Weak + Shallow Grave

Infinite lifelossInfinite magecraft triggersInfinite storm countInfinite creature tokens with haste
  1. 1Cast Spellseeker, stacking Inalla's trigger under Spellseeker's ETB trigger.
  2. 2Tutor Culling the Weak to hand with Spellseeker's ability.
  3. 3Cast Culling the Weak, sacrificing Spellseeker and adding {B}{B}{B}{B}.
  4. 4Resolve and pay for the Inalla trigger from earlier, creating a token copy of Spellseeker and leaving {B}{B}{B} floating.
  5. 5When the token ETBs, tutor Unearth to your hand.
  6. 6Unearth Spellseeker, leaving {B}{B} floating.
  7. 7Shortcut resolving both Inalla's trigger and Spellseeker's ETB, tutoring for Burnt Offering and Finale of Promise, leaving {B} floating.
  8. 8Cast Burnt Offering, sacrificing Spellseeker and adding {B}{R}{R}.
Flash
+Protean Hulk
+Spellseeker
+Thassa's Oracle
#2

Flash + Protean Hulk + Spellseeker + Thassa's Oracle

Exile your libraryWin the game
  1. 1Cast Flash, targeting Protean Hulk.
  2. 2Protean Hulk dies on ETB, fetching Blood Pet, Spellseeker, and Thassa's Oracle.
  3. 3Arrange the stack such that Spellseeker's trigger is on top, so that when it resolves, it fetches Demonic Consultation.
  4. 4Cast Demonic Consultation by sacrificing Blood Pet, adding 1 black mana to your mana pool.
  5. 5Make sure Demonic Consultation targets a card not in your library, causing you to exile your entire library.
  6. 6Then, Thassa's Oracle ETB resolves, and since you have no library, you win the game.
03

Legal formats

legacyvintagecommanderoathbreakerdueltlr
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Official source