
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
{G}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Mire Boa has 2 printings, first in Planar Chaos (2007). EDHREC ranks it #16,601 among Commander cards. It appears most in Aphelia, Viper Whisperer decks (2,724 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.