
Each player's life total becomes the number of creatures they control.
Biorhythm has 4 printings, first in Onslaught (2002). EDHREC ranks it #9,240 among Commander cards. It appears most in Witherbloom, the Balancer decks (5,543 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.