Suffice to say there are good reasons its such a hugely popular phenomenon, and one of them is the tactical depth and excitement of card by card play, with the advantage swinging from one player to the other until someone makes the final, fatal breakthrough
Unique Artwork and Variants: Many Japanese releases feature exclusive artwork, special promotional versions, and regional variants that never appear in English or other language editions
Being able to bring back a historic permanent, putting yourself further ahead
Toss in resistances, box rules, Ability modifiers, defensive Tool cards, Stadiums, and probably at least three other things we're forgetting right now, and that 340 can seem like 680 or more
Once again, these are available in foil and non-foil variants in both Play and Collector Boosters
Ninetales: () Ninetales () was popular as a budget deck