
Choose target creature. If it's attacking, it can't be blocked this turn. If it's blocking, prevent all combat damage that would be dealt this combat by it and each creature it's blocking.
Sewers of Estark has 2 printings, first in HarperPrism Book Promos (1994). EDHREC ranks it #30,000 among Commander cards. It appears most in Bebop, Skull & Crossbones decks (1 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.