
Counter target spell unless its controller pays {X}.
Clash of Wills has 3 printings, first in Magic Origins (2015). EDHREC ranks it #12,425 among Commander cards. It appears most in Zimone, Infinite Analyst decks (1,772 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.