
This creature can't attack unless there are five or more cards in your graveyard.
Cycling {U} ({U}, Discard this card: Draw a card.)
River Serpent has 2 printings, first in Amonkhet (2017). EDHREC ranks it #19,289 among Commander cards. It appears most in Runo Stromkirk // Krothuss, Lord of the Deep decks (1,129 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.