We liked that the final version encourages you to build a deck starting with a wide variety of different letters
The upside is that no individual card is prohibitively expensive for you to grab, but it also makes it more difficult to make obvious cuts to trim the $600 price tag
The trick is finding ways to pump Pummeler first, then dumping your energy into it
In MTG, Gogo, Master of Mimicry nails this flavor exactly
While Rhys is vulnerable at 1/1, and his ability is quite expensive, his low mana cost makes him easy to weave into a turn, forcing your opponents to answer him immediately or else
Whenever you cast a noncreature spell with mana value 3 or greater, Y'shtola deals 2 damage to each opponent and you gain 2 life