Confront the Past — ruling 1

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.

Confront the Past — ruling 2

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.

Confront the Past : règles, fonctionnement et interactions (MTG)

Confront the Past is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Choose one — • Return target planeswalker card with mana value X or less from your graveyard to the battlefield. • Remove twice X loyalty counters from target planeswalker an opponent controls.

How it works : Confront the Past

Original English text — Wizards of the Coast / Scryfall

#1April 16, 2021· 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.
No other card is named in this ruling.
#2April 16, 2021· Wizards of the Coast
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.
No other card is named in this ruling.