
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Remove two +1/+1 counters from this creature: Regenerate it. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Experiment One has 10 printings, first in Gatecrash (2013). EDHREC ranks it #10,651 among Commander cards. It appears most in Aeve, Progenitor Ooze decks (2,437 on EDHREC). 1 public deck on TCG runs it. It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.