
Counter target spell unless its controller pays {X}. Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)
Broken Ambitions has 1 printing, first in Lorwyn (2007). EDHREC ranks it #12,566 among Commander cards. It appears most in Marvo, Deep Operative decks (5,893 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.