Kris Commons is looking to transfer his Celtic form into a dark blue jersey and inspire Scotland to a 2014 World Cup qualifying victory over Wales on Friday night.
The Hoops attacker was controversially omitted from Craig Levein's original squad despite a series of impressive performances for the Scottish champions this season, not least in their Champions League games against Benfica and Spartak Moscow.
However, Commons, who last featured for Scotland in the 2-0 defeat to Brazil at the Emirates Stadium in March last year, joined up earlier this week after Robert Snodgrass and Jordan Rhodes were forced to withdraw due to injury.
The 29-year-old is desperate to be involved in the crunch Group A match at the Cardiff City Stadium.
"It's great to be back again," he told scottishfa.co.uk
"I have been keeping an eye on the squad during the time I have been out and the important thing was to keep playing as well as I could and I knew the opportunity would come. I am now just looking to grab it with both hands.
"I am playing with a lot of confidence and that has been reflected in the results we have had at the club, especially in the Champions League.
"Our whole pre-season was set-up to qualify for the Champions League group stages and I think our results and performances so far have given the whole of Scottish football a boost.
"We all want to reach the World Cup finals. It is a huge thing playing against the best players in Europe at club level in the Champions League.
"A lot of the players in the Scotland squad play in England against some of the best players in the world but as a country we all want to compete against the best nations at the World Cup finals, especially this one as it is being played on one of the real homes of football, Brazil."
Commons believes Scotland are more than capable of emerging from the double-header against Wales and Belgium with their qualification prospects enhanced.
"The next two games are really important but it was always going to be a group where countries take points off each other," he said.
"I hope to be given the opportunity to contribute to two huge games.
"We need to win against Wales first and then we can see about Belgium after that.
"After two draws it is important to get a win and the way the group is set up, that could put us right into contention."