Katrya of Demonic Rebirth

Deathtouch, lifelink, protection from white.
If a source would deal 4 or less damage to Katrya of Demonic Rebirth, prevent that damage.
"Cleaved in two, Katrya was slaughtered in the Battle for the Obsidian Gates. Resurrected by the Asigol Queen, Katrya now serves as heir to Ellana's Throne."