Profile photos are sourced from an external provider. If a photo is missing, it's likely a temporary issue on their end — not a bug.
Card Database
Winwin
Epic
Winwin
Epic
Winwin
Legendary
Winwin
Rare
Winwin
Legendary
Winwin
Legendary
Winwin
Legendary
Winwin
Seasonal
Winwin
Epic
Winwin
Rare