Like most Magic: The Gathering cards, the value of Tifa Lockhart depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
You will keep that counter even if Azula, Ruthless Firebender dies
It's nice that we're getting deep cuts from some of the series' less appreciated games, like ORAS, but the reason this card's probably valued so highly is more because people really, really like Rayquaza
Itll take you longer to complete a full set of Genetic Apex especially when factoring in its extremely rare chase cards without spending, but knowing how to earn TCG Pockets various currencies and how best to use them will provide a massive boost to your digital binder
Astral Slide A relic of MTGs past, Astral Slide would probably be too powerful for todays Standard formats