The Gwent card featuring Avallac'h is a high-detail, collectible card with a dark fantasy realism art style. The card showcases Avallac'h, an elven sage, in a poised stance, with intricate elven robes adorned with subtle glowing runes, reflecting his mystical nature. The background features a dimly lit, ancient elven library, adding depth and context to the character. The card's border is ornate, with elven motifs and a slight metallic sheen, emphasizing its rarity and value within the game.