Gordon Strachan has promised to tinker with both tactics and personnel for Scotland's friendly against Norway in Molde on Tuesday.
The Scotland manager has had his hand forced in some respects following the withdrawal of Sunderland striker Steven Fletcher, Celtic midfielder Charlie Mulgrew, Blackburn defender Grant Hanley, Leeds striker Ross McCormack and Blackpool goalkeeper Matt Gilks.
Strachan drafted Kilmarnock striker Kris Boyd and Dundee United midfielder Stuart Armstrong into the squad on Sunday although neither are likely to start the match which could see places for players such as Lee Wallace, Ikechi Anya, Craig Bryson and Steven Naismith.
Strachan said: "We have been working on something a wee bit different.
"There will be change in personnel as well as a small change in what we are going to try.
"We have looked at something to bring a wee bit of freshness to it.
"We have used our time, we think, wisely again and the players' performances the last two days have been absolutely fantastic.
"I congratulated them on Sunday on how well they did at training, it was excellent
"We worked on certain ways of doing things and that was good, it was great for the coaches, it made us feel good about ourselves."
Following the goalless draw against USA in the Vauxhall International Challenge match at Hampden Park on Friday night, Strachan is expecting a physical battle against the Norwegians.
However, the former Middlesbrough and Celtic manager is spending most of his time concentrating on his own plans.
He said: "They (Norway) are strong lads, again. The USA were big big boys and we dealt with a lot of what they had.
"We will take Norway into consideration but I hope their manager understands that we are actually just going to look at what we are going to do.
"The stuff we have been doing in the last two days has been about what we are going to do with the ball."