You'd be surprised, I have his regular RM card and he's great - that dribbling/agility/balance combo make him so evasive and even the 75 finishing of his normal card is adequate and this IF card has great long shots.
With a deadeye chem style the finishing would be up into the 80s and he has 4/4 skills/WF. At the moment Mkhitaryan is my top goalscorer who barely misses a chance and his finishing is only 74 and he sucks in the air - I find that high dribbling/agility to be able to take an extra touch to set up the right body angle to shoot is more effective than a higher finishing rating.
Shaqiri's height doesn't really matter as I would have him paired up with Adrian Ramos who is incredible in the air, scores so many headers.