I was known for my elegance and composure on the ball, often orchestrating attacks from deep. I won the FA Cup twice with Arsenal, and I was part of the Invincibles squad, but I played for the club for less than 5 years. Who am I?

1. I joined Arsenal in the early 2000s from a prominent European club.
2. My national team was known for its skilled and technically gifted players.
3. I wore the number 15 shirt for Arsenal.
4. I was a part of the team that won the FA Cup in the 2004-2005 season.