If they're not all true as the ability resolves, you won't win the game
1 Non-foil showcase or borderless rare or mythic rare card Can be 1 of: 13 Showcase rares (54.2%) 6 Showcase mythic rares (12.5%) 5 Borderless rares (20.8%) 5 Borderless mythic rares (10.4%) Or Kellan, the Fae-Blooded, available in both the borderless and showcase Adventure treatment
That gives this white artifact a much broader appeal since any go-wide deck can leverage the Gnome Soldier, not just those playing artifacts
creatures rising, artifacts humming, and your opponents starting to sweat a little
Use Proxies There are ways to play with Reserved List cards
Although it has different artwork (which is actually part of a larger painting depicting Frodo, Sam, and Gollum battling over the artefact in Mount Doom), it's exactly the same in terms of mechanics so will still kick all kinds of butt in your Magic: The Gathering games