It brings to the table the Stellar type ex Pokmon Alolan Exeggutor ex and Latias ex
While both of these cards saw play in older formats, they were sensible inclusions to counter the extremely powerful Chaos monsters from performing one turn kills
Phyrexian Library (retuning) Power 4 Design 6 Irritatingly the correct cost for this seems to be between one and two Phyrexian mana
This card has a nasty combination all around that makes it expensive
Either way, the card is incredibly rustic and is of the era when cards displayed length, weight, and a slight description of the Pokemon
Your ETB effects should always be striving to advance your position in the game through drawing cards, putting more cards into play, taking away your opponents cards, countering your opponents removal spells, or some combination of the above