
Destroy all nonland permanents your opponents control.
Ruinous Ultimatum has 14 printings, first in Ikoria: Lair of Behemoths (2020). EDHREC ranks it #653 among Commander cards. It appears most in Caesar, Legion's Emperor decks (16,621 on EDHREC). 4 public decks on TCG run it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.