LOB 1st ed (and other 1st ed early sets too, the iconic/chase holos can easily get into the mid 4 figures) SDK and SDY 1st ed holos DDS and FMR promos Bandai chase holos OCG series 1 ultras and secrets OCG series 2 and 3 Ultimate rates (SM-51 but also all the others too) DMG - various printings Ghost rares are modern cards that seem to do numbers I am sure I am missing some heaters from the middle eras like GX and 5Ds which had their fanbases
Ok Summon: Bahamut [Borderless Foil] #356 (Magic Final Fantasy) Details Full Price Guide: Summon: Bahamut [Borderless Foil] #356 (Magic Final Fantasy) All prices are the current market price
Also, some of the best cards in the game are Basic, so this can be crucial in landing something like a Mewtwo EX or Pikachu EX
Q: Can you battle against friends
Yeah, there is no way that The Darkness CrystalThe Darkness Crystal isn't number one on the list
Cons: Less personal, might need upgrades (and more cash) to be optimal, power levels can vary between decks, and not every card will be a winner