
Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.
Chain Reaction has 19 printings, first in Worldwake (2010). EDHREC ranks it #706 among Commander cards. It appears most in Auntie Ool, Cursewretch decks (7,356 on EDHREC). 16 public decks on TCG run it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.