A new and distinct cultivar of Caladium plant named ‘;Just Saucy’;, characterized by its intermediate to tall height; upright and mounding plant habit; dense and bushy appearance; vigorous growth habit and rapid growth rate; fancy-type leaves that have dark green-colored margins with greyed green and yellow green-colored venation and centers with white and greyed red-colored interveinal areas and random yellow green-colored speckles and flecks and random greyed red-colored spots and blotches; and leaf petioles that are medium green or medium green flushed with a brown tinge in color.