
Opus — Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless five or more mana was spent to cast that spell.
Muse Seeker has 1 printing, first in Secrets of Strixhaven (2026). EDHREC ranks it #13,035 among Commander cards. It appears most in Prismari, the Inspiration decks (638 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.