
Whenever you cast an instant or sorcery spell with mana value greater than the number of experience counters you have, you get an experience counter.
Instant and sorcery spells you cast cost {1} less to cast for each experience counter you have.
Mizzix of the Izmagnus has 9 printings, first in Commander 2015 (2015). EDHREC ranks it #6,438 among Commander cards. It appears most in Azlask, the Swelling Scourge decks (1,955 on EDHREC). 1 public deck on TCG runs it. It has 9 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.