To take advantage of its need to see your opponents bleed, running other Bloodthirst-y cards, like Petrified Wood-KinPetrified Wood-Kin, Furyborn HellkiteFuryborn Hellkite, or some spectacle cards like Light Up the StageLight Up the Stage, add some good support
Also, its not legendary so it works well in multiples, since both the lifegain triggers and the +2/+2 bonus stack
There are only two real weakness of the Zur: The 3-colour casting cost of Zur makes landing a T1/2 Zur nigh impossible
Of course, flicker effects are powerful, and Restoration Angel quickly became a key combo piece for a lot of decks
Strong, flowing lines, soft but rich colours and some daring compositions made him stand out in the crowd