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
Jihoo
Epic
Jihoo
Uncommon
Jihoo
Legendary
Jihoo
Uncommon
Jihoo
Epic
Jihoo
Rare
Jihoo
Uncommon
Jihoo
Common
Jihoo
Common
Jihoo
Rare