---
name: "Mystic Decree"
mana_cost: "{2}{U}{U}"
cmc: 4
type_line: "World Enchantment"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "HML"
set_name: "Homelands"
collector_number: "34"
rarity: "rare"
artist: "Liz Danforth"
oracle_id: "06eb8b90-aad8-41c1-bbc5-85ded2fe76bc"
canonical_url: "https://avascry.com/printing/mystic-decree-hml"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Mystic Decree
- **Mana Cost:** `{2}{U}{U}` (CMC: 4)
- **Type:** World Enchantment

## Oracle Text
All creatures lose flying and islandwalk.

## Top 4096-Dim Neural Synergies
1. [Gravity Sphere](/printing/gravity-sphere-leg.md) — World Enchantment
2. [Gravity Well](/printing/gravity-well-roe.md) — Enchantment
3. [Archetype of Imagination](/printing/archetype-of-imagination-c18.md) — Enchantment Creature — Human Wizard
4. [Adarkar Windform](/printing/adarkar-windform-csp.md) — Snow Creature — Illusion
5. [Whiteout](/printing/whiteout-mb2.md) — Instant
6. [Downdraft](/printing/downdraft-wth.md) — Enchantment

## Printing Details
- **Set:** Homelands (HML) #34
- **Rarity:** Rare
- **Artist:** Liz Danforth
- **Total Printings:** 7 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`