Female (or androgynous) figure in brass-and-crystal corset armor, mechanical wings made of translucent gear-filled stained glass, hair flowing into comet trails.
One hand holds a glowing orrery orb, the other turns a massive brass key in her own chest.
Background: shattered celestial dome with planets and constellations visible, faint rainbow aurora through cracks.
Foil pop: crystal wings/orb, massive rainbow refraction, brass gears, metallic rainbow edges, comet trails - interference streams.
20 sideload, double sided pages holds 360 cards.