once you know the value, your goal is to maintain the condition of the card over time by keeping it safe from forces that will degrade the card and its value(light, heat, humidity, water, the enemies)
How Pokemon TCG Pocket's Darkrai/Giratina May Adapt in Eevee Grove's Meta Even with Buzzwole Ex being an S-tier deck in Pokemon TCG Pocket and dominating the meta, and even after all the counters to Darktina introduced over time, the deck is still very much alive and kicking
Thankfully, this couldnt be further from the truth
When a card, or cards, is put into a library with Wan Shi Tong out, you get two 1/1 Spirit tokens
To make a deck, you choose 1 or 2 of the 6 colors of ink and choose at least 60 cards