Artifacts represent machines or magical objects
Uematsu composed with a piano and used two contrasting methods: "I create music that fits the events in the game, but sometimes, the [developers] will adjust a game event to fit the music I've already written"
Goldspan Dragon will give you the mana to cast bigger and bigger spells each time it attacks, and your opponents will have to pay a price to remove it, too
Lethal Vapors (with indestructible creatures like Darksteel Colossus or swarms plus Eldrazi Monument)
Since most extra turn combos involve the graveyard, graveyard hate like Rest in Peace and Relic of Progenitus can set them behind
But the second ability asks us to care about artifacts, tokens and boosting Eisenhorns combat damage, all of which are harder to achieve alongside a high instant-and-sorcery density