Battle of Aegospotami

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated exile it, then cast it transformed.)

When Battle of Aegospotami enters, reveal any number of Spartan cards from your hand. When you do, Battle of Aegospotami deals X plus 2 damage to any other target, where X is the number of cards revealed this way. (X can be 0.)