Raz'el, Harbinger of Peace

When Raz'el, Harbinger of Peace attacks, if at least one other creature is attacking, Raz'el, Harbinger of Peace gains double strike and vigilance until the end of the turn.
Once per turn, you may prevent all damage from one source dealing damage to Raz'el Harbinger of Peace
"I am the Harbinger of Peace, and I stand to unify the world, so that no one need suffer any longer."
-Raz'el Keeper