You have other ways of identifying disks that don't change - try using /dev/disk/by-uuid/&lt;longstring&gt;.

You can use the blkid &lt;sdXx&gt;  on the partitions to find out the UUID. 

Consistent /dev names for USB hard drive and card reader
How many creatures should the average, typical draft deck contain?

Obviously this depends on a multitude of factors, including the kinds of creatures in your deck, the kinds of non-creatures you have available, and the overall composition of the block you're drafting. Nonetheless, what's a good baseline for the number of creatures in a draft deck? And how should I decide if I need to run more or fewer creatures than the baseline?
