kanto pokemon cards First Partner's Pokémon already sell for double the box's retail price - each and featured Pokemon art card. Pokémon TCG: First Partner Pack

1999 Secret Super Battle No

1998 Pokemon Japanese Promo Tamamushi University Prize Magikarp Pokemon cards value: $78,000 It might not fetch the same price as the next card on our list, but this one is among the rarest Pokemon cards ever made, only available originally as a prize in the Tamamushi University Hyper Test

Sins effect repeating whenever it randomly targets a land opens it up for combo shenanigans in decks like Amulet Titan, but I dont believe that this card does its job efficiently enough to show up in Modern decks

If Anti-Venom is made unblockable, that's more than enough to take someone out through commander damage (and most life totals)

To get a feeling for this, lets compare the actual number of times cards from Base Set (only unlimited print run), Jungle and Fossil appear on the sheets with estimates calculated from samples observed from Youtube videos