amass orcs x. mill x cards. you may cast an instant or sorcery spell with mana value x or less from among them without paying its mana cost. (to amass orcs x, put x +1/+1 counters on an army you control. it's also an orc. if you don't control an army, create a 0/0 black orc army creature token first.) flashback—3ur, exile x cards from your graveyard.