
Whenever this creature blocks, exchange its power and the power of target creature it's blocking until end of combat.
Serene Master has 1 printing, first in Commander 2013 (2013). EDHREC ranks it #19,346 among Commander cards. It appears most in Rhoda, Geist Avenger decks (1 on EDHREC). 1 public deck on TCG runs it. It has 4 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.