Score has announced Dragon Ball GT -- Shadow Dragon Saga, its August expansion.  Planned for both starters at $12.99 and boosters at $3.29, the card set includes a 314 card starter set with 8 Ultra Rares and 6 Previews of the next DB GT set -- Lost Episodes Saga.   Also included are 5 brand new Masteries, six Sensei cards which allow players added cusotmization and lasting game effects, seven new Cracked Dragon Balls, plus Gogeta enters with the highest power rating of any personality ever.