Companionship

Legendary creatures you control get +2/+1
and have ward {1}.
Nonlegendary creatures you control get
+1/+1.
"Because you know why this TARDIS always is always rattling about the place? It's designed to
have six pilots, and I have to do it single handed. But not any more. Now we can fly this thing like
it's meant to be flown." - The Tenth Doctor