
Deekah, Fractal Theorist: Legendary Creature - Human Wizard, Secrets of Strixhaven Commander. Printings, prices, and format legality on Mana Grove.
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Deekah, Fractal Theorist is a Magic: The Gathering card, a rare blue legendary creature from Secrets of Strixhaven Commander (SOC), a Commander product released in April 2026. It is collector number 193 in that set, with art by Donato Giancola. It costs {4}{U} (four generic and one blue mana) to cast, for a mana value of 5. It is a 3/3 creature. Its colour identity is blue. It is legal in Legacy, Vintage, Commander, Duel Commander and Oathbreaker. It has been printed in 4 sets, from The List (2020) to Secrets of Strixhaven Commander (2026). It can be your commander. The latest aggregated market price for this printing is $0.31 (normal finish, as of 2026-11-03).
Magecraft - Whenever you cast or copy an instant or sorcery spell, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is that spell's mana value.
{3}{U}: Target creature token can't be blocked this turn.
Latest aggregated market price for the normal finish of this printing: $0.31 (as of 2026-11-03).
The figure covers this printing only; other printings carry their own price on their own page.
Legality of Deekah, Fractal Theorist by format. Formats in which it is not legal are not listed.
| Legacy | Legal |
|---|---|
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
Deekah, Fractal Theorist has been printed in 4 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| The List (PLST) #C21-26 | Rare | 2026 |
| Magic Online Promos (PRM) #90040 | Rare | 2021 |
| Commander 2021 (C21) #26 | Rare | 2021 |
| Commander 2021 (C21) #353 | Rare | 2021 |
Four official rulings apply to Deekah, Fractal Theorist, newest first.
Other creature cards with a blue colour identity, ranked by how often they appear in Commander decks.
Deekah, Fractal Theorist is in the decklist of these preconstructed Commander decks.