Complex sentence: His own plays from this decade reveal a somewhat mellowed temper; certainly there is no comedy among them with the satiric depth of "Michaelmas Term" and no tragedy as bloodthirsty as "The Revenger's Tragedy".
Split into simpler sentences: His own plays from this decade reveal a somewhat mellowed temper. Certainly there is no comedy among them with the satirical depth of "Michaelmas Term" and no tragedy as bloodthirsty as "The Revenger's Tragedy".