Demand for fancy versions of staple cards is always around in MTG, after all
Goblin Engineer: Search your library for an artifact and put it into your graveyard
Fleet Swallower + Terisian Mindbreaker Most of the cards that mill half of an opponents library are primarily useful alongside Bruvac the Grandiloquent who turns these triggered abilities into whats effectively destroy target player
Also new V cards Alcremie V / VMAX, Togekiss V / VMAX, Steelix V, Coalossal V and Ampharos V
Divide by Zero Right now, Alchemy is a lot of casting the same card over and over again into your opponents Divide by Zero and Fading Hope, only for them to cast Lier, Disciple of the Drowned and do it all over again in what is a blatant mockery of its no counters clause that is intended to protect players from this exact play pattern
For the back face, they tapped into one of the only things we knew about the planeit had a lot of crystals, so they decided to make a crystal Elemental