# 2021 Magic: The Gathering Magic Online Promos #90040

> The 2021 Magic: The Gathering Magic Online Promo card featuring Deekah, Fractal Theorist. This rare Legendary Human Wizard brings unique token-generating mechanics to your collection.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-deekah-fractal-theorist-90040

## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #90040
- **Product type**: TCG_CARD

## Description

Deekah, Fractal Theorist stands as a distinctive entry within the 2021 Magic Online Promos set, identified by card number 90040. As a Legendary Creature — Human Wizard with a mana cost of {4}{U}, this card offers collectors a specific piece of Magic: The Gathering history tied to the game's digital platform. The card's design and mechanics appeal to players who appreciate complex interactions and token strategies in the trading card game. The rare treatment ensures this card holds a special place for those seeking high-value additions to their Magic: The Gathering library. The gameplay mechanics of Deekah, Fractal Theorist center around its Magecraft ability. Whenever a player casts or copies an instant or sorcery spell, the ability triggers to create a 0/0 green and blue Fractal creature token. These tokens can be enhanced by placing +1/+1 counters equal to the mana value of the spell that triggered the effect. This mechanic encourages spell-heavy strategies and rewards players for engaging deeply with the game's resource system. Additionally, the card includes an activated ability that allows a target creature token to become unblockable for the turn, providing tactical flexibility during combat. Art by Donato Giancola, this promo card is a sought-after item for completists of the Magic Online Promos series. Collectors often target this card for its unique creature type combination and its role in specific deck archetypes. The card's rarity and promotional status make it a valuable addition for any serious TCG enthusiast. Whether you are looking to complete a set or enhance your collection with powerful gameplay cards, Deekah, Fractal Theorist represents a key component of modern Magic: The Gathering collecting.

## FAQ

### What is the mana cost of Deekah, Fractal Theorist?

The mana cost for Deekah, Fractal Theorist is {4}{U}, requiring four generic mana and one blue mana to cast. It has a mana value of 5.

### What does the Magecraft ability do on this card?

Magecraft triggers whenever you cast or copy an instant or sorcery spell, creating a 0/0 green and blue Fractal creature token. You then put +1/+1 counters on it equal to that spell's mana value.

### Is Deekah, Fractal Theorist a legendary card?

Yes, Deekah, Fractal Theorist is a Legendary Creature — Human Wizard. This means you can only have one copy of it in your deck or battlefield at a time.

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Last verified: 2025-11-29.