Gardevoir

Lifelink, Psychic Type (When this creature enters
the battlefield, it gains X +1/+1 counters, where
X is your devotion to blue)
Whenever this creature is tapped, Scry 2
{1}{u}{g}{t}: Target creature gets Indestructible
until the end of the turn, if that creature is attacking, it also gains protection from a color
of your choice
Partner (You can have two commanders
if both have partner)