
When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"
Reef Worm has 4 printings, first in Commander 2014 (2014). EDHREC ranks it #5,558 among Commander cards. It appears most in Adrix and Nev, Twincasters decks (4,227 on EDHREC). 2 public decks on TCG run it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.