This is especially true if the Goblin deck is mono-red, so those decks can use Chaos Warp to even the odds
Combine it with an Amulet of Vigor, and you can use the treasure straight aways to cast the new cards
Try a Precon If you're looking for something new and fresh, but you don't want to do all the work of ordering or trading for each card and tricking out your deck, don't forget you can just get a precon: Some of them are definitely quite fun
Luxiors not necessarily the best equipment, but it makes the list for the sake of the weird interactions it creates
Toss in some counter modifiers like Grateful Apparition, Norn's Choirmaster, and Lae'zel, Vlaakith's Champion, and your opponents will face a rebellion capable of toppling Phyrexia