Black and white sticker illustration in bold outline style, three classic gray aliens with oversized bald heads and large almond-shaped black eyes playing cards on the lunar surface, center alien holding a fan of cards with cosmic symbols, left alien peeking suspiciously over their cards with one eye, right alien throwing down a winning card triumphantly, giant flat mushroom cap as poker table, stacks of star-shaped chips piled up, giant cratered full moon in background, tall spotted mushrooms surrounding scene, scattered playing cards on cratered moon ground, starry night sky with sparkle stars, thick clean black linework, high contrast, no shading, sticker die-cut white border, flat 2D vector style, whimsical cosmic gambling vibe.