The No.8 has been an impressive ever-present feature for the Reds this season and after Scott Higginbotham was ruled out of the series the tour has been opened for the former Australia under-20s captain.
"Playing this weekend for Queensland is one of those opportunities you get in your career - ones debuting for the Reds, ones debuting for your country and the other playing the Lions," said Schatz.
"I can only concentrate on playing my best and hopefully something can come from that. But I'm foremost just looking forward to playing for the Reds and hopefully getting a win.
"It's an opportunity. It's one of those things you have to grab with both hands, be excited about and get out and play for each other. It's a challenge and opportunity for the whole team."
The Lions have roared with commanding victories over the Barbarians and Western Force so far on the 125th anniversary tour.
But Schatz is convinced the Reds can put up a much stronger challenge and will push Warren Gatland's men all the way.
"We have to be on our best but so do they," added Schatz.
"Everyone is excited and I'm really looking forward to it. We definitely think we have a chance - you would be stupid if you didn't.
"We have bags of experience and guys who have been playing well through the Super Rugby season.
"Across the board they have a strong team and we just have to put in a lot of heart and passion.
"As a Super Rugby side we try to pride ourselves on our defence and we will go out with the same attitude this weekend."
Schatz will go up against Toby Faletau and he reckons the back-row battle just one of several fascinating match-ups across the pitch.
"Toby has obviously played a few Test matches for Wales and is experienced," added Schatz.
"He's been running the ball strongly, is often involved and we'll be keeping an eye on him.
"There will be little battles throughout the game and us as a back-row versus them as a back-row will be one of them.
"We will have to come away with a bit of luck and hard grit but we're definitely up for the challenge.
"I'm sure Beau (Robinson) will come with a bit of agro as he always does and Quirky (Ed Quirk) will work the house down.
"Every player in the team has a skill-set. We'll try to nullify their attack - it will be a hard fought game."