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Mercurial Transformation
UncommonColour IDMV 2
Sorcery — Lesson
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.
Card capabilities
Sorcery
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Primary formats
Eternal formats
Other printings
This is the only English printing.
Rulings (3)
wotc16 Apr 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.
wotc16 Apr 2021
You choose Frog or Octopus as Mercurial Transformation resolves, not when you cast it.
wotc16 Apr 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.
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Ranked by shared capabilities, colour identity, mana value and type — never by strategic judgement.
