
Creatures without flying can't block this turn.
Magmatic Chasm has 3 printings, first in Dragons of Tarkir (2015). EDHREC ranks it #18,344 among Commander cards. It appears most in Raphael, the Muscle decks (3 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.