This is because the English version of the set never released any 1st Edition versions of the cards, while Japan released their set in 1st Edition and unlimited
With this UBs with high Energy requirements like Buzzwole EX and Guzzlord EX can start attacking sooner than later, with minimal Energy investment
DIY Cards Official cards : Produced by Konami or licensed distributors, suitable for tournament play
I'd rank this higher if blight were more useful and less of a pure drawback for most white decks
In exchange it doesnt come into play prepared, so you still have to work for it first
Blue is known for being relatively bad at countering creatures in cEDH because so many of the cheapest blue counterspells dont counter creatures, as youll see in the rest of this list, so being able to counter legendary creatures (especially commanders, of course) is a really nice perk for Tales End