Unstable MutationUltimate Masters · 80/254 · Uncommon$0.07 Near Mint market price (TCGplayer).All cards in Ultimate MastersOther printings of Unstable MutationTime Spiral Timeshifted 33Fifth Edition 131Fourth Edition Foreign Black Border 110Fourth Edition 110Summer Magic / Edgar 86Foreign Black Border 86Revised Edition 86Arabian Nights 22