The main things balancing it are that it doesn't fully become a Bolt until turn 3, and it can't go to your opponent's face, which I think was probably for the best

Each Collector Booster contains: An opportunity to open a card from 1994's Legends set (found in 3% of Dominaria United Collector Boosters) 1 Traditional foil Booster Fun rare or mythic rare that could have extended-art, showcase stained-glass, borderless art, or Phyrexian-language treatments 2 Alternative-border rares or mythic rares that can be showcase stained-glass, borderless, Phyrexian-language, or foil-etched or non-foil versions of the rare Legends Retold cards 1 Extended-art rare or mythic rare 1 Traditional foil rare or mythic rare 1 Guaranteed textured foil in either uncommon, rare, or mythic rare 1 Uncommon non-foil or foil-etched Legends Retold card 1 Uncommon traditional foil showcase stained-glass card 1 Traditional foil full-art stained-glass basic land 2 Traditional foil uncommons 4 Traditional foil commons, unless one is replaced by a Lost Legends card Draft Boosters Dominaria United Draft Boosters are designed for that perfect Draft or Sealed play experience, but just like Set and Collector Boosters, every single Draft Booster in Dominaria United contains a legendary creature, perfect for defending the plane from a threat to the Multiverse

Then, during "devign" (when design still has control of the file but development starts meeting to give feedback), with notes from development, we added in the ability to turn creatures face up, making the mechanic even more complicated
While some Pokmon TCG fans may be a little wary about splitting their attention between three different possible ways to play, Pokmon TCG Pocket does have some interesting things to offer players
Warner said that the team thinks removing Hiram and Fortisphere should take the edge off those powerful decks, while allowing Pawpsicle to be used by Sapphire decks, other color combinations, and other gameplay strategies