These give the character unique mechanics to play with
Each deck kit comes with a deck of 60 cards, two of which will be foil cards, as well as playing tools like a paper playmat, 10 damage counters, 1 paper lore tracker token, and a set of game rules
(To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.) Legendary Creature - Elf Advisor Wakka, Devoted Guardian Reach, trample Whenever Wakka deals combat damage to a player, destroy up to one target artifact that player controls and put a +1/+1 counter on Wakka
It's comparable to Ruby's Dragon Fire from the base set, but the ability to be sung is a huge boon
In fact, its the Travelling Chocobo in Borderless Neon Ink, and its currently close to $5,000