
Choose target spell. Surveil 2, then counter the chosen spell unless its controller pays {1} for each card in your graveyard. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Swallowed by Leviathan has 1 printing, first in Final Fantasy (2025). EDHREC ranks it #8,623 among Commander cards. It appears most in Mirko, Obsessive Theorist decks (1,421 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.