MagicTheGathering.fyi

Mystic Speculation

Sorcery

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)
Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

CMC
1
Mana cost
{U}
Color identity
U
Rarity
uncommon
Set
The List
Price
$1.20
EDHREC rank
#7685
Buy on TCGplayer
Mystic Speculation card art
Mystic Speculation turns a single blue mana into repeated library manipulation — buyback means you cast it every turn for one blue, sculpting your draws indefinitely. Displacer Kitten and Elminster both turn that repetition into a win condition, not just a setup tool.

Best Commanders

Commanders with the highest synergy

01
Elminster

Elminster

64.9% of decks · synergy 0.64

Elminster triggers every time you cast a spell that doesn't share a color with it, and Mystic Speculation is mono-blue — cast it on buyback each turn and Elminster's ability fires every single turn, generating scry and tokens on a loop.

02
Galadriel of Lothlórien

Galadriel of Lothlórien

45.0% of decks · synergy 0.43

Galadriel of Lothlórien rewards scrying with card draw and +1/+1 counters, and Mystic Speculation delivers three scry triggers per cast, making it one of the most efficient enablers in the deck.

03
Kenessos, Priest of Thassa

Kenessos, Priest of Thassa

28.2% of decks · synergy 0.27

Kenessos, Priest of Thassa needs the top card to be a creature to cheat it into play for free, and Mystic Speculation on buyback gives you exactly that level of deterministic control over the top of your library.

04
Elrond, Master of Healing

Elrond, Master of Healing

24.1% of decks · synergy 0.23

Elrond, Master of Healing cares about scrying and getting the right cards on top, and Mystic Speculation's buyback loop makes it a reliable, repeatable engine for triggering his abilities every turn.

05
River Song

River Song

10.7% of decks · synergy 0.10

River Song draws cards whenever opponents cast spells with the same name as cards in their graveyard, but the real pull here is that Mystic Speculation fuels the blue spell-spam game plan and stacks the top of your library for her cascade triggers.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Mystic Speculation sees essentially zero competitive play in Legacy, Modern, or Vintage — in those formats, one blue mana buys you Ponder or Brainstorm, not an incremental scry-three that costs two more to rebuy. Commander is its natural home: the 100-card singleton format makes library manipulation genuinely valuable, buyback over a long game is actually realistic, and the card slots into any blue combo shell that wants repeated small actions. In Oathbreaker, the same logic applies at a smaller table, and the faster clock makes the buyback cost slightly harder to justify, but it still works in dedicated scry or spellslinger builds.

Key Combos

Combo lines featuring this card

133 decks
Avatar Aang // Aang, Master of ElementsMystic Speculation

Avatar Aang // Aang, Master of ElementsMystic Speculation

Infinite storm count; Infinite magecraft triggers; Infinite scry

View on Commander Spellbook ↗
72 decks
StormsplitterSorcerer ClassMystic Speculation

StormsplitterSorcerer ClassMystic Speculation

Infinite LTB; Infinite ETB; Infinite damage; Infinite storm count; Infinite creature tokens with haste; Infinite magecraft triggers; Infinite scry; Infinite blue mana that can only be spent to cast instant and sorcery spells; Infinite red mana that can only be spent to cast instant and sorcery spells

View on Commander Spellbook ↗
57 decks
Jeskai AscendancySorcerer ClassMystic Speculation

Jeskai AscendancySorcerer ClassMystic Speculation

Infinite draw triggers; Infinite looting; Infinite self-discard triggers; Near-infinite blue mana that can only be spent to cast instant and/or sorcery spells; Near-infinite damage; Near-infinitely large creatures until end of turn; Near-infinite magecraft triggers; Near-infinite red mana that can only be spent to cast instant and/or sorcery spells; Near-infinite storm count; Near-infinite untap of creatures you control; Near-infinite mana creatures you control can produce

View on Commander Spellbook ↗

Price Context

Current price

$1.20 cheap tier

At $1.20, Mystic Speculation is a cheap pickup that punches well above its price in the decks that actually want it. Demand is narrow but consistent — it won't spike without a new pushed commander, and it won't crater because casual blue players keep finding it.

Explore

Sources

Mentioned

← All cards

Updated . Data from Scryfall, EDHREC, and Commander Spellbook.