1 printing listed in our catalog, from newest to oldest.
Strixhaven: School of MagesSTX · No. 472021-04-23
Card text
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.
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.
2021-04-16 · Wizards of the Coast
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.
2021-04-16 · Wizards of the Coast
You choose Frog or Octopus as Mercurial Transformation resolves, not when you cast it.
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