Jack, Collosus Coordinator

If this card is your commander, its color identity
is {w}{u}{b}{r}{g}.
Reach.
Creatures and vehicles with a base power and/or toughness of 10 cost {1} less for you to cast for
each creature or vehicle with a base power and/or toughness of 10 that you control.
"Just the right size - Really, really big."