Gwynevere, Princess of Sunligh

All knights gain lifelink and +1/+1.
Whenever Gwynevere leaves the battlefield, it
turns night forever and all your knights gain
a +1/+1 counter.
"Magnificent... Thou hast filled the Lordvessel.
Indeed, a worthy successor, thou shalt be. My
patience was not for nil... I beg of thee. Succeed Lord
Gwyn, and inheriteth the world's Fire. We have only
thee."