Ive been consistently surprised by Stonecoil Serpent in the Arena Cubes, and its a card that falls within the realm of playable even in Vintage Cube, though merely being an artifact is doing a lot of the heavy lifting there
It ensures that your cards remain unaffected by bending, water, scratches, oil stains, etc., preserving them in their original state
The set also contained many other rare cards, such as the following notable Super Rare Holo cards: Tyranitar, Lanturn, Kingdra, and Steelix
While the low HP Pikachu cards usually do not have much of an impact on the format, the ex version does, and Pikachu ex is an integral part of one of the best decks of the current format because it is incredibly difficult to knock out, and it can deal 300 damage consistently when paired with cards like Crispin and Sparkling Crystal
Gyarados This deck saw a lull in popularity after rotation due to the loss of Claydol (GE) and Felicitys Drawing (GE), making the already unfavourable matchup against Lux-chomp even more difficult to win