Magic

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Mercurial Transformation Strixhaven: School of Mages MTG card
STX #47 · Art by Craig J Spearing
STX set symbol, UncommonStrixhaven: School of Mages#47Uncommon

Mercurial Transformation

Sorcery · Lesson
TCGplayer market · STX #47 nonfoil
$0.31 −8.8% −$0.03, 7 days
1-year range
30 days
−6.1%
EDHREC rank
#17,577 Down 64 in 30 days
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Buy STX #47 nonfoil

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Mercurial Transformation Price Summary

The benchmark price (cheapest playable nonfoil) is $0.31, down 8.8% over 7 days, down 6.1% over 30 days, up 40.9% over 90 days.

Mercurial Transformation Price History

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Mercurial Transformation price history chart, default range 3 months. currently $0.31.

Where to Buy and Sell Mercurial Transformation

Every market we track for STX #47 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Mercurial Transformation in Sealed Products

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Mercurial Transformation Printings & Prices

Mercurial Transformation has 1 tracked printing across 1 sets, in nonfoil and foil finishes.

STX set symbol, UncommonSTX #47
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Mercurial Transformation Rules Text & Legality

Mercurial Transformation

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.

"For sun's sake, I just want a crab!"

Mercurial Transformation is legal in Pioneer, Modern, Legacy and Commander, and not legal in Standard and Pauper.

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Mercurial Transformation Rulings

  • Apr 16, 2021

    Although you may want to include Lessons in your sideboard if you’re playing with cards that instruct you to learn, Lesson cards can be included in your main deck like other instant or sorcery cards.

  • Apr 16, 2021

    Lesson is a spell subtype found on some instant and sorcery cards in the Strixhaven set. The Lesson subtype has no special rules associated with it.

  • Apr 16, 2021

    You choose Frog or Octopus as Mercurial Transformation resolves, not when you cast it.

Reprints & Reprint Risk

Mercurial Transformation has been reprinted 2 times.

  • Apr 23, 2021STX set symbol, UncommonStrixhaven: School of MagesSTX #47
  • Apr 23, 2021STX set symbol, UncommonStrixhaven: School of Mages · foilSTX #47

Mercurial Transformation in Commander

Mercurial Transformation is the #17,577 most-played card on EDHREC, down 64 places over the last 30 days.

#17,577 EDHREC rank
across all Commander decks Down 64 in 30 days

Mercurial Transformation FAQ

How much is Mercurial Transformation worth?

Mercurial Transformation is worth about $0.31 for its cheapest playable printing as of Nov 10, 2026.

Is Mercurial Transformation legal in Commander?

Yes. Mercurial Transformation is legal in Commander. It is also legal in Pioneer, Modern and Legacy.

Has Mercurial Transformation been reprinted?

Yes. Mercurial Transformation has been reprinted 2 times, with 1 printings tracked on The Index.

Why is Mercurial Transformation cheap?

Mercurial Transformation trades at about $0.31; 2 reprints keep supply plentiful, and Commander demand is modest (#17,577 on EDHREC).