Nah, the group will stay intact, no matter what.
Party jaari rahegi boss.
Even if there is a devaluation, Magnus will still be one of the best cards.
Reason: Privilege bug of 0.4 per ER still exists.
With usage of that we'll be getting 12.5k worth of multibrand vouchers with Magnus sureshot along with Gyftr bonus if any, which can be sold or used by the user.