Shenron

Shenron cannot be countered
Shenron is Indestructible, Trample
Shenron's Power and Toughness is equal to the # of dragonballs in play times 7
Alternatively Shenron can be played when all 7 Dragonballs are in play also X is equal to the # of dragonballs
When Shenron is summoned return all Z-Fighters from graveyard back into play.
You're Wish Has been Granted!.....