Arc Warden

{2}{w/u}: Arc Warden gains First Strike and
protection from the color of your choice until
end of turn.
{3}{w}{u}: Create a token that's a copy of
Arc Warden except it isn't Legendary and has
haste. Then create a token that's a copy of each
Aura and Equipment that's attached to it except
they aren't Legendary. Exile these tokens at the
end of this turn.