The most valuable cards from the HeartGold & SoulSilver set typically include holographic rare cards, first edition prints, and cards featuring popular Pokemon
From Boundless Realms to Karametra to Harvest Season and Traverse the Outlands, Green can power out a ton of lands, get very far ahead of everyone, cast Carnage Tyrant, and face little recourse
How reliably your deck can do that is absolutely a key factor when evaluating these cards

EDH | Ed Grabianowski Commander (1) 1 Horde of Notions Creatures (6) 1 Birds of Paradise 1 Enigma Sphinx 1 Etched Oracle 1 Solemn Simulacrum 1 Utopia Tree 1 Woodland Wanderer Planeswalkers (23) 1 Ajani, Caller of the Pride 1 Arlinn Kord 1 Ashiok, Nightmare Weaver 1 Chandra Nalaar 1 Elspeth Tirel 1 Elspeth, Sun's Champion 1 Freyalise, Llanowar's Fury 1 Garruk Wildspeaker 1 Garruk, Apex Predator 1 Gideon, Champion of Justice 1 Jace, Architect of Thought 1 Jace, the Living Guildpact 1 Kiora, Master of the Depths 1 Kiora, the Crashing Wave 1 Liliana Vess 1 Narset Transcendent 1 Nicol Bolas, Planeswalker 1 Sarkhan Unbroken 1 Sarkhan Vol 1 Sarkhan, the Dragonspeaker 1 Sorin, Lord of Innistrad 1 Teferi, Temporal Archmage 1 Vraska the Unseen Spells (33) 1 Dawn Charm 1 Ethereal Haze 1 Fog 1 Moment's Peace 1 Realms Uncharted 1 Reclaim 1 Respite 1 Tangle 1 Undergrowth 1 All Suns' Dawn 1 Brilliant Spectrum 1 Call the Gatewatch 1 Day of Judgment 1 Deploy the Gatewatch 1 Explosive Vegetation 1 Fabricate 1 Gild 1 Library of Lat-Nam 1 Painful Truths 1 Sylvan Scrying 1 Tempt with Discovery 1 Oath of Gideon 1 Oath of Jace 1 Oath of Liliana 1 Oath of Nissa 1 Privileged Position 1 Weirding Wood 1 Amulet of Vigor 1 Clearwater Goblet 1 Commander's Sphere 1 Expedition Map 1 Orb of Dreams 1 The Chain Veil Lands (37) 2 Island 2 Mountain 2 Plains 2 Swamp 4 Forest 1 Arcane Sanctum 1 City of Brass 1 Command Tower 1 Crumbling Necropolis 1 Evolving Wilds 1 Exotic Orchard 1 Frontier Bivouac 1 Jungle Shrine 1 Mystic Monastery 1 Nomad Outpost 1 Opulent Palace 1 Rainbow Vale 1 Rupture Spire 1 Sandsteppe Citadel 1 Savage Lands 1 Seaside Citadel 1 Shimmering Grotto 1 Terramorphic Expanse 1 Transguild Promenade 1 Unknown Shores 1 Vivid Crag 1 Vivid Creek 1 Vivid Grove 1 Vivid Marsh 1 Vivid Meadow In addition to the mana fixing Green spells and artifacts, the cards in this deck fall into three general categories: 1)

Thankfully, Armiger Unleased is a pretty solid card on its own, even when you take away the Final Fantasy art and name, letting you equip a creature at instant speed and getting one free equip on your turn