Improvisation Capstone (SOS 294)

Sorcery — Lesson • Mana cost: {5}{R}{R} • Secrets of Strixhaven • Mythic

Exile cards from the top of your library until you exile cards with total mana value 4 or greater. You may cast any number of spells from among them without paying their mana costs.
Paradigm (Then exile this spell. After you first resolve a spell with this name, you may cast a copy of it from exile without paying its mana cost at the beginning of each of your first main phases.)

Illustrated by Mintautas Šukys.