Have to say that that Gym Challenge one is not badapart from the end crimps
Before Leyline of Abundance and Oath of Nissa were banned, Mono-Green Devotion was absolutely crushing Magic Online to the tune of a 60% win rate, but even without the absurd starts that Leyline provided the deck is still remarkably consistent and powerful
But how are you to support commanders like Prosper, Tome-Bound that demand you cast spells from exile rather than your hand
Greninja ex Special Illustration Rare Twilight Masquerade Before Surging Sparks came around (and the Pikachu ex), Greninja ex SIR was the top chase card of the Scarlet & Violet era of Pokemon TCG
Jumbo Imp is also another one that has artwork that really does feel like it could be in a regular set, although it sure is a neat-looking big imp with tiny wings
The other card is the Nest Ball, but Rare Candy will always make our list due to the free level ups it gives to your Pokemon