The cards themselves are available from WotC directly, and some of them include codes for Arena versions of the same cards
At the beginning of combat, you scry 1, then exile the top card of your library, which you can play that turn
Cloud, Ex-SOLDIER (Limit Break) Cloud, Ex-SOLDIER leads the red-green-white Limit Break deck that focusses on equipping weapons, raising your stats past 7 power. Thematically, it ties well into Final Fantasy 7 and its Limit Break system, with the deck allowing you to buff your creatures with equipped weapons, and then gain certain abilities based on this power
MTG Final Fantasy products are priced like a high-value premium set ala Modern Horizons or Double Masters
Zell Dincht Decks on EDHREC: 337 For several years now I've been meaning to build a Mountains-matter deck, only thwarted by (my own laziness and) the lack of good cards in the theme
Or, find someone new to play with at an official Lorcana TCG event , including group meet-ups, one-off events, and tournaments