dragon card sleeves Shield Matte - Magenta (Standard, 100ct) Dragon Shield 100ct Matte -

Even without all of these block mechanics, filtering through your deck (card drawing) for free each turn is very powerful, but combined with the nature of the block, it put the Looter way over the top

Dark-Type or Water ex Supporting Mega (e.g., Weavile or Greninja line alt) Raw est.: $150$400 | PSA 10: Solid Synergy with Greninjameta risers

Something about the lack of payoff for summoning it has prevented people from using it enough to make it at all relevant, but thanks to the exposure that the card received in both the anime and the manga, there are a few versions of it that are actually worth a decent amount of money, and are considered collectors editions

Ardenn lets you equip any number of equipment for free, while Anara ensures you can freely attack with indestructibility