
{T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Sinister Starfish has 3 printings, first in Modern Horizons 2 (2021). EDHREC ranks it #9,180 among Commander cards. It appears most in Mirko, Obsessive Theorist decks (6,914 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.