Blessed Weapon

Target creature gets +1/+1 and lifelink until
end of turn. If target creature is white, it
gets +2/+2, lifelink, and vigilance until end
of turn instead.
As the darkness entrenched around them, and
all seemed lost to the shadows, Dakkon's blade
began to shine, fueled by faith and conviction
alone... and perhaps a bit of elvish magic."