Spontaneous Mutation

Enchantment — Aura

Flash
Enchant creature
Enchanted creature gets -X/-0, where X is the number of cards in your graveyard.

CMC
1
Mana cost
{U}
Color identity
U
Rarity
common
Set
Shadows over Innistrad Remastered
Price
EDHREC rank
#20191
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Spontaneous Mutation card art
Spontaneous Mutation turns any creature into a 0/1 for a single blue mana — instant speed, zero setup, full stop. It's conditional removal that scales cleanly off your graveyard, and in the right shell it punishes attackers without spending a real removal slot.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

In Commander, Spontaneous Mutation is a fringe inclusion — the graveyard condition means it's dead on arrival in decks without consistent self-mill, but in Dimir or Sultai lists that fill the yard naturally it can neutralize a general's combat threat for one mana. Pauper is where Spontaneous Mutation earns genuine respect: common-legal, instant speed, and blue decks there stock graveyards fast enough to make the -X/-0 reliably large. In Legacy and Vintage the card simply can't compete with the efficiency of Path to Exile or Swords to Plowshares, so it sees no meaningful play. Modern and Pioneer have similar problems — the conditional clause is a real cost in formats where graveyards get hated out regularly.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Pricing data for Spontaneous Mutation isn't currently available, but the card has historically sat well under a dollar given its narrow application and limited competitive demand. If you're building a Pauper self-mill deck or a Commander list that already leans on the yard, it's a safe pickup at essentially bulk price.

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Mentioned

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    Updated . Data from Scryfall, EDHREC, and Commander Spellbook.