pokemon cards poliwag | Dex Evolutions Type 1999 Pokemon Base Set Shadowless

Its value is substantial, as only a few copies exist, including the only PSA-graded example

The TCG started with seven different types -- Colorless, Grass, Fire, Water, Lightning, Psychic, Fighting -- before adding Darkness and Metal for Gen II, Dragon in Gen V, and finally Fairy in Gen VI

Starting with the Aetherdrift set, they come in booster boxes of 30 packs (previously 36), which cost around 120-140 USD at launch and then usually stabilize around 100-110 USD

The grading process is fairly simple, but can take a while

Its especially powerful with cards that have an additional downside to cast, like discarding a card or losing life