Be sure you cling on to any card that can draw
Museum Mat or Rag Mat - Still a good quality choice for conservation, it is constructed of cotton linters (short cotton fibers) and cellulose (wood pulp) middles
A 4/2 Dragon Shaman with flying for five mana, whenever you cast an adventure, or more importantly, whenever you cast a Dragon, you can deal damage equal to that spell's mana value to any target
On the flip side, this method will likely require a lot more legwork compared to selling your bulk Pokmon cards online
Archenemy: Unite against a common foe or take on the villain's role with integrated Archenemy Schemes, including the latest cards from Duskmourn: House of Horror
If the target permanent has fewer than X counters, all of them are removed.