Since Discord already lets mana of any type be spent to cast the copied spell, the main goal is keeping Discord alive and making the most of whatever random spell appears
The Pokmon TCG is no stranger to rare and valuable chase cards
2 Lucario (Staff Prerelease): Diamond & Pearl Promos (Promo) $62.03 It's All About The Promos Lucario's third promo appearance shouldn't be a surprise, as this Pokemon's popularity is evident, as it continues to receive promo variations for sets across different generations
While it can be used to save a couple of creatures from combat or spot removal, there are really two main scenarios which justify including it
R Rare Drytron Meteor Shower X TRAP Counter When your opponent Normal or Special Summons a monster(s), while you control a Ritual Monster: Negate the Summon, and if you do, shuffle that monster into the Deck
To sum it up, just download the latest version and copy the files into the folder you already have OR install it into a new folder, and drag your decklists over from the Decks folder from the old one to the new
