Xur, Agent of the Nine

+2: Search your library for a Legendary Artifact and put onto the battlefield without paying its Mana Cost. You gain 4 life.
0: Xur becomes a 6/6 White and Black God creature with indestructible and Deathtouch until end of turn. It gains Haste.
-10: Destroy all artifacts you don't control. You get an emblem that says "Artafacts you control gain Indestructible."