Mathieu Debuchy believes Arsenal will be "incredible" once World Cup winners Per Mertesacker, Mesut Ozil and Lukas Podolski have fully integrated back into the squad.
The Germany trio are expected to be involved for the first time in the squad for the Saturday evening kickoff at Everton, having returned to London following an extended break after their triumph in Brazil.
The Gunners have made a positive start to the new season, recording victories over Manchester City in the Community Shield at Wembley and Crystal Palace in the Premier League while leaving Istanbul with a goalless draw from the first leg of their Champions League playoff against Besiktas on Tuesday.
And 29-year-old full-back Debuchy -- who signed from Newcastle earlier in the summer -- is confident Arsenal will prove a force to be reckoned with once they have all their key men up and running again.
"It is fantastic for me to be part of this team. When I see the squad now and I think that Ozil, Mertesacker and Podolski are still missing, it is incredible. It is an amazing squad," he told the official Arsenal magazine.
"Playing with them is pure happiness, even at training it is top level. You have to give your best all the time because the level required is immense."
Debuchy has settled in quickly at right-back for the North London club, with the 16 million-pound France international filling the void left by the departure of compatriot Bacary Sagna to Manchester City on a free transfer.
The defender is in no doubt everything is in place at Arsenal to help develop his game, saying: "This is another dimension. If you compare the training grounds for example, nothing at Lille or Newcastle can match the one at Arsenal. It is another world.
"Everything here is made to optimise your preparation and you as a player so you can be in the best condition to play and win football games."
Arsenal were beaten 3-0 at Everton in April last season, a result which ensured a nervy route to a top-four finish -- but Gunners coach Arsene Wenger feels his squad now have what it takes to produce the required performance away to the Premier League's stronger sides.
"A team is life and life is movement. That means the team doesn't stand still, we move forward and improve," said Wenger, who must do without captain and former Everton midfielder Mikel Arteta, who will miss the game against his old club because of an ankle problem.
"We have young players, which means that every year they can be better, also the team improves with success, which we had a reasonable [amount of] last year.
"We have a good opportunity on Saturday to show that we have moved forward and that we are stronger than last year. It will be interesting, because Everton are a team now flirting with the Champions League places.
"They were close last year. They lost some pivotal games which allowed us to get [back] in front of them after they beat us, but they have the quality, so it is a good, good test."