Pest Summoning
Sorcery — Lesson
Create two 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."
"Step 1: Put the pests in mud. "Step 2: Wait." —*Gyome's Guide to Pest Breeding*
Zoltan Boros
Rulings
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.
(wotc • 2021-04-16)
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.
(wotc • 2021-04-16)
Rulings
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.
(wotc • 2021-04-16)
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.
(wotc • 2021-04-16)