Greater Good: A classic enchantment from Urzas Saga, Greater Good is a welcome reprint always, and here it works well with the high powered creatures to draw cards
Retrofitter Foundry and Coveted Jewel are far from high-value pulls, but they add lots of spice to artifact decks and Vintage Cubes
It was also obviously impossible to have them be on your side, because attacking a permanent on your side of the battlefield not only violates the fundamental paradigm of Magic combat as established in 1993 by Doctor Garfield, it also looks very silly
Sure, winning the game consistently by turn four is fun, but wheres the variety, the spice
For eternal formats, the power-level is so high that only a handful of new cards will actually be relevant