
Opus — Whenever you cast an instant or sorcery spell, target player mills three cards. If five or more mana was spent to cast that spell, that player mills ten cards instead.
Exhibition Tidecaller has 3 printings, first in Secrets of Strixhaven (2026). EDHREC ranks it #7,799 among Commander cards. It appears most in The Emperor of Palamecia // The Lord Master of Hell decks (763 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.