Arthur, King of the Britons

First Strike
Other Knight creatures you control get +1/+1
and are indestructible.
"The Lady of the Lake, her arm clad in the purest shimmering samite, held aloft Excalibur from the
bosom of the water, signifying by divine providence
that I, Arthur, was to carry Excalibur. That is
why I am your king!" - King Arthur