---
name: "Mercurial Transformation"
mana_cost: "{1}{U}"
cmc: 2
type_line: "Sorcery — Lesson"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "STX"
set_name: "Strixhaven: School of Mages"
collector_number: "47"
rarity: "uncommon"
artist: "Craig J Spearing"
oracle_id: "c7efe6c6-3da1-47a6-a8ad-30c36502a7ab"
canonical_url: "https://avascry.com/printing/mercurial-transformation-stx"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Mercurial Transformation
- **Mana Cost:** `{1}{U}` (CMC: 2)
- **Type:** Sorcery — Lesson

## Oracle Text
Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

> *"제발, 게가 돼야 한다고!"*

## Top 4096-Dim Neural Synergies
1. [Turn to Frog](/printing/turn-to-frog-c14.md) — Instant
2. [Polymorphist's Jest](/printing/polymorphists-jest-m15.md) — Instant
3. [Frogify](/printing/frogify-plst.md) — Enchantment — Aura
4. [Serpentine Ambush](/printing/serpentine-ambush-plst.md) — Instant
5. [Omnibian](/printing/omnibian-dis.md) — Creature — Frog
6. [Ichthyomorphosis](/printing/ichthyomorphosis-thb.md) — Enchantment — Aura

## Printing Details
- **Set:** Strixhaven: School of Mages (STX) #47
- **Rarity:** Uncommon
- **Artist:** Craig J Spearing
- **Total Printings:** 11 across all historical editions

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