Malkia. the Radiant Blade

Divine Smite —Whenever this creature is targeted
by a spell or ability you control, It gets +X/+0.
Where X is your devotion to white.

Aura of the Sentinel — Other creatures you control
gain +0/+1 and have Ward {1}

Fated (You may have this as a commander
with another legendary creature with Fated)