Kovatia, Luminous Guardian

Partner with Luyi, Keeper of Shadows(When this creature enters the battlefield, you may put Luyi,
Keeper of Shadows into your hand from your library,
then shuffle.)
Lifelink, Flying, First Strike
Whenever a creature you control becomes the
target of a spell, it gains indestructible until end
of turn. You gain 2 life.
...and Darkness without Light is an abyss.