Youre looking to combine goblin payoffs with cheap disposable artifacts here, so include all the usual goblin lords and cards like Skullclamp, Prized Statue, and Ichor Wellspring
This isn't a format where you mainboard Naturalize
Your mana curve is often the easiest way to find your starting point for how many lands you need
Pest Infestation adds more targeted removal, and its a good outlet for infinite mana if the combo youve assembled doesnt involve Chatterfang or a Blood Artist
In some metas Minor Misstep will be the best of the bunch, in others it will lag behind, but I have no doubt that Minor Misstep is strong enough to see play in Modern and will certainly have a role to fill in the format
Then, whenever Xyris deals combat damage to a player, you and that player each draw that many cards