Drogba, who took the winning penalty for Chelsea in last season's final, scored with a header five minutes into his Galatasaray debut on Friday, whetting the appetite of the 2000 UEFA Cup champions ahead of the last 16 first leg match.
The Istanbul club's confidence is running high after they won that game 2-1 against Akhisar Belediyespor, strengthening their lead at the top of the first division, which they lead by six points ahead of arch rivals Fenerbahce.
"It gave us a morale boost ahead of the Schalke game," said Galatasaray manager Fatih Terim.
Speaking after Friday's victory, Terim said the club's new arrivals had integrated rapidly as Galatasaray attempt to become the first Turkish side to reach the last eight since Fenerbahce five years ago.
"When he is fit, Drogba has the ability both to keep the ball for us up front and to lead the team. When you add Sneijder to that, we will perform much better. Both have integrated with the team very quickly," he said.
Drogba scored the equalising goal for Chelsea as they drew 1-1 with Bayern in last year's final before netting the decisive penalty. He moved to Shanghai Shenhua after that but cut short his stay in China amid reports of unpaid wages.
Drogba's new team-mate Sneijder signed a three-and-a-half-year contract with Galatasaray last month after leaving Inter Milan.
Schalke have been boosted by striker Klaas-Jan Huntelaar's recovery from an eye injury.
"I feel 100 percent again and am ready to play," said the Dutch forward.
"I had no problems in training and am ready for Istanbul."
