I think both of these planeswalkers could easily slot into existing GW tokens strategies, alongside go-wide cards like March of the Multitudes, Emmara, Soul of the Accord and Trostani Discordant
Reaper King is interesting in that, on its surface, it's a Scarecrow lord that grants Scarecrows +1/+1, something we had done many times before
For that reason, it's off this list
This means when you open up a Set Booster, you can open up all sorts of Magic cards
Balan, Wandering Knight is your best single creature for dealing massive damage, Kemba, Kha Regent can quickly build an army all on her own, and Raksha Golden Cub effortlessly turns your army into a game-ender