Zuno, The Astral Guardian

Indestructible, reach, vigilance, first strike
Gives all humans, warriors, knights, wizards ward {3} and +1/+1.
When you attack give a creature you control indestructible until end of turn
When you are attacked give each other creature
you control +0/+X where X is that creatures toughness until end of turn.
When you take 10+ damage in a single turn
prevent that damage and exile Zuno until the end
of your next turn