Theres about 220 cards from Modern Horizons and Modern Horizons 2 , and then about 120 new to Arena reprints, as well as the 31 digital only cards
You can find out the rarity by looking at the bottom left symbols: common (circle), uncommon (diamond), rare (star) there are also holofoil/shiny versions called holo rare and reverse holo rare
the row behind the Active that can house up to five additional Pokmon to support and substitute Active Pokmon if it retreats or is "Knocked Out"), or by Decked Outif at the opponent's next turn they have no cards left in deck to draw into
Id likely prefer Mizzixs stormier counterpart (Mizzix of the Izmagnus), but this Mizzix is a worthy alternative
You can use PSA or Beckett to verify the authenticity and condition of the card
Nevertheless, their superior protection makes them a top choice for serious collectors