There aren't that many items in the deck to pull off the Inventor/item strategy effectively, so players are overly reliant on specific character cards to make it work

Decklist: 1 Galadriel, Elven-Queen 1 Gandalf, Westward Voyager 1 Raise the Palisade 1 Trap the Trespassers 1 Arwen, Weaver of Hope 1 Galadhrim Ambush 1 Haldir, Lrien Lieutenant 1 Legolas Greenleaf 1 Mirkwood Elk 1 Travel Through Caradhras 1 Windswift Slice 1 Crdan the Shipwright 1 Elrond of the White Council 1 Erestor of the Council 1 Mirkwood Trapper 1 Radagast, Wizard of Wilds 1 Sail into the West 1 Song of Erendil 1 Lothlrien Blade 1 Model of Unity 1 Colossal Whale 1 Devastation Tide 1 Mystic Confluence 1 Plea for Power 1 Swan Song 1 Asceticism 1 Elvish Archdruid 1 Elvish Piper 1 Elvish Warmaster 1 Genesis Wave 1 Heroic Intervention 1 Hornet Queen 1 Inscription of Abundance 1 Overwhelming Stampede 1 Realm Seekers 1 Seeds of Renewal 1 Sylvan Offering 1 Exotic Orchard 1 Flooded Grove 1 Hinterland Harbor 1 Rejuvenating Springs 1 Vineglimmer Snarl 1 Lrien Revealed 1 Celeborn the Wise 1 Elven Farsight 1 Wose Pathfinder 1 Learn from the Past 1 Opt 1 Preordain 1 Arbor Elf 1 Beast Within 1 Cultivate 1 Elvish Mystic 1 Elvish Visionary 1 Farhaven Elf 1 Mirror of Galadriel 1 Lignify 1 Paradise Druid 1 Rampant Growth 1 Reclamation Sage 1 Wood Elves 1 Growth Spiral 1 Arcane Signet 1 Commander's Sphere 1 Lightning Greaves 1 Sol Ring 1 Whispersilk Cloak 1 Ash Barrens 1 Command Tower 1 Field of Ruin 1 Lonely Sandbar 1 Thornwood Falls 1 Tranquil Thicket 1 Woodland Stream 11 Island 15 Forest

Reds access to ramp is sparse at worst and conditional at best, so the Prospectors relatively stipulation-free activation means its the superior choice for ramp in any goblins deck
Custom Handmade Syr Gwyn, Hero of Ashvale proxies made from real Magic the Gathering card with many different alternated arts available for purchase.
While this certainly can be done, it's an awkward process that results in sub-optimal decks