Cheapest priced copy (Strixhaven: School of Mages Promos): $0.49 at Card Kingdom, near mint, their price list as of .
Teachings of the Archaics 
Sorcery — Lesson · Rare · Strixhaven: School of Mages · #299
If an opponent has more cards in hand than you, draw two cards. Draw three cards instead if an opponent has at least four more cards in hand than you.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages Promos | 57p | Rare | $0.49 | $2.49 |
| Strixhaven: School of Mages Promos | 57s | Rare | — | $1.49 |
| Strixhaven: School of Mages | 57 | Rare | $0.49 | $0.49 |
| Strixhaven: School of Mages | 299 | Rare | $0.59 | $1.49 |
3 rulings from Wizards of the Coast
- 16 April 2021Lesson 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.
- 16 April 2021The number of cards in each player’s hand is determined as Teachings of the Archaics resolves.
- 16 April 2021Although 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.