---
name: "Deekah, Fractal Theorist"
mana_cost: "{4}{U}"
cmc: 5
type_line: "Legendary Creature — Human Wizard"
colors: ["U"]
color_identity: ["U"]
keywords: ["Magecraft"]
set: "C21"
set_name: "Commander 2021"
collector_number: "353"
rarity: "rare"
artist: "Donato Giancola"
oracle_id: "6b071146-2f83-4fda-a55a-46fcb74e6f28"
canonical_url: "https://avascry.com/printing/deekah-fractal-theorist-c21"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Deekah, Fractal Theorist
- **Mana Cost:** `{4}{U}` (CMC: 5)
- **Type:** Legendary Creature — Human Wizard
- **Power/Toughness:** 3/3
- **Keywords:** Magecraft

## Oracle Text
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.

## Top 4096-Dim Neural Synergies
1. [Fractal Summoning](/printing/fractal-summoning-stx.md) — Sorcery — Lesson
2. [Fractal Anomaly](/printing/fractal-anomaly-sos.md) — Instant
3. [Manifestation Sage](/printing/manifestation-sage-stx.md) — Creature — Human Wizard
4. [Fractal Tender](/printing/fractal-tender-sos.md) — Creature — Elf Wizard
5. [Clever Lumimancer](/printing/clever-lumimancer-stx.md) — Creature — Human Wizard
6. [Biomathematician](/printing/biomathematician-stx.md) — Creature — Human Wizard

## Printing Details
- **Set:** Commander 2021 (C21) #353
- **Rarity:** Rare
- **Artist:** Donato Giancola
- **Total Printings:** 24 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`