Without engaging in the interminable black hole of a conversation about what makes a good/playable Magic: The Gathering card in general, I hope you see my point here
[6] Trading in Pokmon TCG Pocket allows players to exchange cards with friends, requiring both Shinedust, which can be replenished by players gaining copies of cards they already own, and Trade Stamina, which regenerate over time or can be replenished with trade hourglasses
Best of 1 rules Im not sure what the author of the poll means with the better best of 1 rules but I think this game doesnt lend to the format that well, especially in a competitive format
However, Marnie allows you to draw a fresh hand while also disrupting your opponent's, and you can draw more cards with Professor's Research
Plenty of Magic strategies want instant and sorcery cards in your graveyard like collect evidence, spell mastery, and lessons, to those we toast Wisdom of Ages
Card availability and format shifts matter