Here's a list of cost-effective FC 25 Players that meet the SBC criteria without FIFA 25 Coins inflating your budget:
Ligue 1 Challenge
Renato Sanches (PSG, 82 overall): Offers strong chemistry links and affordability.
Carlos Soler (PSG, 83 overall): An inexpensive option for the team rating requirement.
Loïc Badé (Sevilla, 81 overall): A great choice for balancing cost and chemistry.
Brazil Challenge
Gabriel Paulista (Valencia, 83 overall): A reliable Brazilian option at a reasonable cost.
Alex Telles (Al-Nassr, 82 overall): Adds flexibility for positioning and chemistry.
Éverton Ribeiro (Flamengo, 82 overall): Useful for boosting squad rating without spending big.
By incorporating these budget-friendly players, you can complete both tasks efficiently while reserving your cheap FIFA 25 Coins for other opportunities in Ultimate Team.