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Add ghostly prison
Isochron scepter might be a good addition
Not enough targets, maybe if they added path to exile and swords to plowshares.
Abeyance might also be good . that would make it a control deck where you simply use Isochron and (orim / silence / abeyance ) to prevent him from playing and isochron + (the sword to plowshares / path to exile) to kill his creatures . I would remove the leyline and the ensnaring bridge it you have the above mentioned combo