
Counter target spell if its mana value is less than or equal to the greatest mana value among permanents you control.
Dispersal Shield has 1 printing, first in Scourge (2003). EDHREC ranks it #17,302 among Commander cards. It appears most in The Lord of the Eagles decks (8 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.