Like national captain Gareth Bale, Ramsey will go to the semi-finals against Austria in Cardiff on March 24 after recent injury problems and has started two games for Rangers after joining on loan from Juventus in January.
“They’re big players for us and obviously we want them to play games when they come to camp,” Page said. “But the good thing is that they are both fit, energetic and can’t wait to get to camp.
“The big players come to big games. They’ve proven that over time and they’ve done it again and again.
“We took Aaron to the Czech Republic (in October) and we were worried about the two games in a row and I thought he was outstanding in both games.
“When you put on this jersey, you go to another level. They just keep going.”
Ramsey could face Ibrox team-mate Ryan Jack in a friendly if Wales lose to Austria this month, or they win in the play-off final and Scotland get past Ukraine in their late semi-final pushed back to June after Russia invaded .
Jack has been included in Steve Clarke’s squad for the substitute friendly against Poland, which will raise money for humanitarian efforts in Ukraine, and then the losing side of the Wales-Austria game on March 29 will host the Tartan Army
“It was right to postpone the Scotland-Ukraine game,” Page added. “I am human and it is appalling to see what is happening in Ukraine.
“It’s much more important than any football. It wasn’t in our hands and we let UEFA decide what happens, but the good news for us is that we can play this game.”
“If Ukraine and Scotland play, we may have to play a game before the final.
“We already have tough (Nations League) games with Holland home and away, Belgium and Poland in June, so it will be extremely difficult for the lads to add that fifth game.”
Leicester’s Danny Ward will not be fit as the ex-Aberdeen goalkeeper has undergone knee surgery, meaning Burnley veteran Wayne Hennessey is expected to win his 99th cap.