Perhaps we'll see other subtypes emerge going forward, such as flower (Black Lotus, Lotus Bloom, etc.), Jewel (Moxes, Jeweled Amulet, etc.), and orb (Winter Orb, Zuran Orb, Chaos Orb, etc.)
I snagged The Abyss in pack two, which notably does not affect artifact creatures, and in the third pack I actually took Tinker over Mox Emerald because Tinker was more likely to lead to a broken start in my deck at that point, and had significantly more value later in the game
You may choose new targets for that copy
In an era where so many cards are designed with Commander in mind, it was inevitable that wed see one for legendary creatures sooner than later
Popular, expensive non-Reserved List cards often get reprints, increasing supply and potentially lowering prices