Are club cards and National Team cards the same?

National Team cards have the exact same utility as club versions. They can be played in the same competitions, and they both count toward the fixed supply of 1,111 cards per season per player.

There are four (4) levels of scarcity for Sorare cards.
⬛     Unique (1 card per season - this is the only card of its kind in the world)
🟦     Super Rare (10 cards per season)
🟥     Rare (100 cards per season)
🟨     Limited (1000 cards per season)