Ostensibly, the point of those appearances is to signal the notion that all Number monsters are comprised of exactly the same creatures with the same natural numbers across both continuities, and any unseen Numbers in one continuity can be considered to be comprised of Numbers seen exclusively in the other continuity and the OCG-exclusive Numbers
While its looking likely that the Winter drop will be coming with Snapcaster Mage, nothing is definite, so dont go buying 10 copies banking on it being present
Frequently Asked Questions How much is Circle of Protection: White worth
These will be visible to other players in their friend lists and the Trade screen
Daxos, Blessed by the Sun Triggering on entering and when dying is enough to make Daxos, Blessed by the Sun a solid version of a soul sister
HP copies still offer solid value at roughly $7.50 while MP jumps up closer to the $9.50 range