Erratic Mutation
Instant
MMAModern Masters#42common
- Finishes
- Nonfoil · Foil
- Border
- black
- Frame
- 2003
- Illustrator
- Zoltan Boros & Gabor Szikszai
CommanderLegalModernLegalStandardNot legal
Format legality
Constructed
StandardNot legal
PioneerNot legal
ModernLegal
LegacyLegal
VintageLegal
PauperLegal
Commander
CommanderLegal
Pauper CommanderLegal
Duel CommanderLegal
PreDHLegal
OathbreakerLegal
Tiny LeadersLegal
Arena
AlchemyNot legal
HistoricNot legal
TimelessNot legal
BrawlNot legal
Standard BrawlNot legal
Competitive BrawlNot legal
GladiatorNot legal
Other
PremodernNot legal
Old SchoolNot legal
Penny DreadfulLegal
Future StandardNot legal
Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order.
Market · per finishtrend updated 5h ago · prices as of Oct 15, 2026
Nonfoil$0.050.0%$0.01 low$0.00 gap
Foil$0.110.0%$0.05 low-$0.03 gap
Nonfoil$0.050.0%30DLowest listing
$0.01Buylist
$0.01Buy / Sell Gap
$0.000% · normal spread
30D flat at$0.11Since Feb 2024:H $0.25L $0.04
Lowest listing
$0.05Buylist
$0.08Buy / Sell Gap
-$0.03-60% · buylist > ask
Cheapest playable copy$0.05· across 3 printings· you're viewing it
Price history
last 30 days · set by the window above · each finish on its own scaleNonfoil$0.050.0%30D
30D flat at$0.05Since Feb 2024:H $0.10L $0.01Foil$0.110.0%30D2.20× nonfoil
30D flat at$0.11Since Feb 2024:H $0.25L $0.04Loading other printings
Found in
1 productRounded oddsProductPriceNonfoilFoil
Modern Masters Draft Booster Pack
Booster Pack · $22.23
$22.23Nonfoil under 10%Foil under 1%
Rulings
2 · latest Mar 19, 2021
- WotCMar 19, 2021
If a card in a player's library has
in its mana cost, X is considered to be 0. - WotCMar 19, 2021
You reveal cards and the creature gets +X/-X all while Erratic Mutation is resolving. Nothing can happen in between, and no player can take actions.