The majority of Jumbo Pokemon cards are 15.3cm wide x 20.3cm in length
Selfless Squire This is a pretty good card but I feel like white has a lot of effects like this
(Cyberfinsternis Einschlag!) TAEV-DE083 Cranium Fish (Hirnschdelfisch) TAEV-DE084 Abyssal Kingshark (Knigshai der Unterwelt) TAEV-DE085 Mormolith (Mormolith) TAEV-DE088 Il Blud (Il Blud) Italian ( TAEV-IT ) TAEV-IT000 Gemini Summoner (Evocatore Gemini) TAEV-IT006 Rainbow Dragon (Drago Arcobaleno) TAEV-IT013 Vennominaga the Deity of Poisonous Snakes (Vennominaga, la Divinit dei Serpenti Velenosi) TAEV-IT033 Frost and Flame Dragon (Drago di Ghiaccio e Fiamma) TAEV-IT043 Elemental HERO Magma Neos (Neos Magma EROE Elementale) TAEV-IT054 Cyberdark Impact
So with that interpretation the most iconic cards are: Base Charizard Base Pikachu Base Charmander Ancient Mew Base Mewtwo Base Blastoise Base Venusaur Mewtwo Strikes Back Promos (All 4) Flying Pikachu Mew Movie Promo I know its a fairly boring list, but I think these are the cards your average citizen is most likely to recognise and/or remember from their childhood or their kids childhoods
When building a Pokmon card collection, many collectors face a common question: is it better to buy specific cards you want, or to purchase sealed packs and try your luck pulling those cards
Waifu360 has also written a handy guide for those looking to explore cards outside of Goddess Story, which can be found here