Builder belonging to a blue class means that it has access to the best card-drawing cards and abilities in the game. This makes the Constructed Dyson Sphere the perfect fit for any Builder deck.

Minn, Wily Illusionist is a 1/3 Gnome Wizard who costs two blue and a generic. Whenever you draw your second card each turn, you'll make a 1/1 blue Illusion token who gets +1/0 for each other ...