The issue in todays Standard is that indestructible isnt as powerful as it used to be, what with Vraskas Contempt, Settle the Wreckage, and so on
Once done, flip the inner sleeved card the right way up and insert into the outer sleeve, ending with the opening of the inner sleeve at opposite ends to the opening of the outer sleeve
In current Standard the eternalize mechanic is good at providing this, as are some of the aftermath cards
Granted, its technically a one drop, but to make use of it, you will need to sink mana into it
Given I started playing MtG 24 years ago and still turn cards sideways most days, there's a good chance I'll be there to see where it takes me next
If only there was a big Phyrexian angel for us