Combined with cards like Mogg War Marshal or Krenko, Tin Street Kingpin, its the accelerant for the engine that keeps goblin aggro decks blazing fast
Over the years I would say Golgari has had more gold cards in the cube than any other colour and has continued to get great cards to add to the ranks and keep it strong even while other Guilds catch up a little in quantity and quality
Lets take a look at her card

"Lavinias Lovable Losers" Commander (0) Creatures (39) 1 Ardent Recruit 1 Auriok Edgewright 1 Dawnray Archer 1 Defiant Vanguard 1 Evangel of Heliod 1 Flickerwisp 1 Frontline Sage 1 Ghalma's Warden 1 Gomazoa 1 Guardian of the Gateless 1 Jhessian Balmgiver 1 Kami of Ancient Law 1 Knight of Cliffhaven 1 Mist Raven 1 Myrsmith 1 Mystic Zealot 1 Phantom Warrior 1 Riftwing Cloudskate 1 Rimewind Taskmage 1 Seraph of Dawn 1 Surrakar Banisher 1 Wall of Denial 1 Whipcorder 1 Chrome Steed 1 Esper Cormorants 1 Esperzoa 1 Faerie Mechanist 1 Filigree Sages 1 Glassdust Hulk 1 Golem Artisan 1 Guardians of Meletis 1 Lumengrid Gargoyle 1 Sanctum Gargoyle 1 Sanctum Plowbeast 1 Silver Myr 1 Steelclad Serpent 1 Ticking Gnomes 1 Walking Atlas 1 Squall Drifter Spells (23) 1 Cancel 1 Chastise 1 Circular Logic 1 Complicate 1 Dominate 1 Gleam of Resistance 1 Judge Unworthy 1 Mana Leak 1 Miscalculation 1 Offering to Asha 1 Pitfall Trap 1 Put Away 1 Radiant's Judgment 1 Reviving Vapors 1 Smite 1 Traumatic Visions 1 Amass the Components 1 Arrest 1 Claustrophobia 1 Glint Hawk Idol 1 Ichor Wellspring 1 Prophetic Prism 1 Scrabbling Claws Lands (37) 1 Azorius Guildgate 1 Lonely Sandbar 1 Soaring Seacliff 1 Stalking Stones 1 Terramorphic Expanse 16 Snow-Covered Island 16 Snow-Covered Plains Thats right

They were usable in decks with the main color but were optimized if played in decks with both colors (or monocolor decks)
It includes six cards that can be displayed together as a collectors piece or used in decks, with Spidey, Venom, Green Goblin, and Doctor Octopus represented