Affinity Affinity for artifacts is the first known use of it, and Final Fantasy brings it back for a total of three cards
Urza's Destiny, 1999: $1,186 Metalworker, Treachery, and Rofellos, Llanowar Emissary are mere samples of high-power cards throughout this set that either cannot be printed again because they're on the Reserved List
Otherworldly Gaze If you count Surveil spells as self-mill (and I do, given how rarely you see triggers that care exactly how cards end up getting from your library to the graveyard), then Otherworldly Gaze is as good a choice as any for the most consistent, efficient, no-bells-and-whistles version of the effect
While this full-art pales in comparison to the Boss's Orders Giovanni, which tops the most valuable cards in Rebel Clash, it has similar aesthetic value
Adding a new range of strategies through combos never seen before