tcg phantasmal flames booster box Bundle (6 Packs) and even more Pokmon line up to give it their all in the Pokmon TCG Preorder Special: Mega Evolution -

In lieu of this, to kind of touch on OPs original question, the push for waifu trainers stems in correlation from those NSFW/doujinshi works of Pokmon trainers

You can use this extra Memory to pull out cards such as Ulforceveedramon to increase your Memory further

In the Pokemon TCG Online, there are ladders you can climb to claim prizes and more

Protection : Designed to shield your cards from damage, our sleeves help maintain their value and keep them looking new

Those are my only criticisms, though Phyrexian Tower is just plain good in any deck that wants to sacrifice creatures, which tends to be most black decks