When played in multiples, you can cast them to fill your board, going from one into potentially four creatures
Theres no easy way to get all of those monsters back again
First-Print boxes are opened from a first-print booster box case
That's why if I were to build a deck entirely based around abusing The One RingThe One Ring's ETB every turn, it would be with Liberator, Urza's BattlethopterLiberator, Urza's Battlethopter

Syr Armont, the Redeemer | Commander | Mark Wischkaemper Commander (1) 1 Syr Armont, the Redeemer Creatures (24) 1 Argothian Enchantress 1 Composer of Spring 1 Dawnhart Geist 1 Destiny Spinner 1 Elvish Archivist 1 Flutterfox 1 Generous Visitor 1 Hero of Iroas 1 Jukai Naturalist 1 Kor Spiritdancer 1 Leafcrown Dryad 1 Mesa Enchantress 1 Nessian Wanderer 1 Qasali Pridemage 1 Regal Bunnicorn 1 Satyr Enchanter 1 Slumbering Keepguard 1 Spellbook Vendor 1 Sram, Senior Edificer 1 Sythis, Harvest's Hand 1 Tanglespan Lookout 1 Timber Paladin 1 Transcendent Envoy 1 Unassuming Sage Sorceries (4) 1 Cultivate 1 Kodama's Reach 1 Return from the Wilds 1 Winds of Rath Enchantments (24) 1 Banishing Light 1 Cast Out 1 Celestial Mantle 1 Chains of Custody 1 Colossification 1 Eldrazi Conscription 1 Epic Proportions 1 Giant Inheritance 1 Grasp of Fate 1 In the Trenches 1 Indrik Umbra 1 Mammoth Umbra 1 Mantle of the Ancients 1 Mythic Proportions 1 Nature's Embrace 1 Oblivion Ring 1 Pollenbright Wings 1 Prodigious Growth 1 Quarantine Field 1 Seal from Existence 1 Shape of the Wiitigo 1 Spectra Ward 1 Verdant Embrace 1 Wurmweaver Coil The point, really, is to think about ramp holistically rather than just "run the most efficient ramp there is"

Only four V-UNION cards of the same name can be played once per deck