There are five in total, each one only available for a limited time
Getting protection from everything is definitely one of the better things you can do at instant speed, but when you can do it all, Reclamation SageReclamation Sage becomes a two-for-one, Hammer of NazahnHammer of Nazahn is a combat trick that leads to more combat tricks, The Meathook MassacreThe Meathook Massacre is a catered board wipe you can engineer into a combat step, Narset, Parter of VeilsNarset, Parter of Veils is even meaner than usual, and you can cast your Treasure CruiseTreasure Cruise instead of losing it the next time you put a Wheel of FortuneWheel of Fortune on the stack (actually you need to do that in the reverse order)
Don't expect this to cut opposing libraries to 0 fast enough
The Gatecrash peak was fueled by a Pro Tour spike, but it doesn't look like the Battle for Zendikar prices will be tempered any time soon
He also beats Tasigur, Angel of Tithes and Siege Rhino in combat and survives Languish and Stoke the Flames/Exquisite Firecraft