Pyromancy 101 is a rare Sorcery — Lesson card from Mystery Booster 2 (MB2), collector number 566. Current market price: $0.19, TCGplayer market prices via Scryfall.
Pyromancy 101 deals 1 damage to any target. Teach {1}{R} (Then exile this spell taught to a creature you control. For as long as this card remains exiled, that creature has "{T}: Copy the exiled card. You may cast the copy for its teach cost.")