The Airborne Sigil is a dark, pixel-art styled card with eerie hand-drawn elements, featuring a floating, ghostly symbol at its center. The sigil glows faintly with a pale, luminous hue against a weathered, parchment-like background, giving it an ancient and mystical appearance. The edges of the card are slightly frayed and bear intricate, asymmetrical engravings that seem to pulse subtly with energy.