Ancient Copper Dragon FINAL FANTASY: Through the Ages, Mythic Limited: 2.0 If you hit them with Dragon of Mount Gulg (Ancient Copper Dragon), this likely will win you the game, but thats true of most six-mana cards
Loxi: This card is fine but seriously, we really need to assess how many effects copy stuff now, it's pretty wild
Group 2: Reanimation targets (12) 4 Verdant Force
Upgrading this class to level two costs two mana and gives all creatures you control +1/0 and menace
Reckless Handling We haven't seen Gamble quite yet, but Reckless Handling is an artifact-specific riff on that tutor
Gandalf the White, for example, is designed to mainly care about legends, but he can also break the famous artifact Isochron Scepter, as noted in this Reddit thread where users recognized the potential that Gandalf's ability adds to the Isochron Scepter