Diplomatic Courtesy

Nobility {2}{u}(You may cast this spell for{2}{u} if you
control a creature with the greatest converted mana
cost among creatures on the battlefield. When you do,
copy it. You may choose new targets for the copy.)
Target gains hexproof and can't be blocked until
end of turn.
"Ambassador Jaro...and his consort are to be wholly
unimpeded during their stay in Carmaton."
-Proclamation of the Crown