Which game should i get for my ds lite final fantasy echoes of time OR the new super mario bro game?

final fantasy echoes of time and new super mario bro are must haves for my crimson red/black ds lite but i cant decide which to buy first and dew to the amount money they both cost i can only afford 1 of them at a time so which 1 would you suggest me getting first and PLEASE don't suggest which one to get by saying its cool because that does not help my decision thanks