You can take the counters you got from Fabrication Module, or from one of the triggered conversion of Energy to +1/+1 counters, add a one mana, and come out with a 1/1 artifact creature token
If you miss the window for ordering a set or want one of the older editions, youll have to try your luck with eBay or another third-party seller
Kaalia already has flying, so you can be confident she can attack safely, but the Mardu colours are full of removal options to be sure there will be no blockers and she hangs around
A foil-etched display commander
If enough -1/-1 counters are put on Hei Bai at the same time to make his toughness 0 or less, his last ability will see all of the +1/+1 counters he had when he left the battlefield as well as the -1/-1 counters he had, and an equal number of each of those types of counters (plus any other applicable counters) will be put onto the target creature
Alternatively, if you are interested in which Ryota Murayama cards are gaining value, view the trending cards guide