If you care more about bulk, Kamahl's Druidic Vow and Primevals' Glorious Rebirth flood the board with legendary creatures
Best case, you cripple an opponents combo

Elven Empire Lathril, Blade of the Elves | Illustration by Caroline Gariba Commander (1) Creature (40) Abomination of Llanowar Beast Whisperer Canopy Tactician Cultivator of Blades Dwynen, Gilt-Leaf Daen Elderfang Ritualist Elvish Archdruid Elvish Mystic Elvish Rejuvenator End-Raze Forerunners Eyeblight Cullers Farhaven Elf Golgari Findbroker Harald, King of Skemfar Imperious Perfect Jagged-Scar Archers Jaspera Sentinel Llanowar Tribe Lys Alana Huntmaster Lys Alana Scarblade Marwyn, the Nurturer Masked Admirers Miara, Thorn of the Glade Nullmage Shepherd Numa, Joraga Chieftain Poison-Tip Archer Reclamation Sage Rhys the Exiled Ruthless Winnower Shaman of the Pack Skemfar Shadowsage Springbloom Druid Sylvan Messenger Timberwatch Elf Twinblade Assassins Voice of Many Voice of the Woods Wirewood Channeler Wolverine Riders Wood Elves Instant (4) Elven Ambush Poison the Cup Putrefy Tergrid's Shadow Sorcery (9) Ambition's Cost Bounty of Skemfar Casualties of War Eyeblight Massacre Elvish Promenade Harvest Season Pact of the Serpent Return Upon the Tide Roots of Wisdom Enchantment (6) Binding the Old Gods Crown of Skemfar Elderfang Venom Pride of the Perfect Prowess of the Fair Moldervine Reclamation Artifact (3) Arcane Signet Serpent's Soul-Jar Sol Ring Land (37) Command Tower Forest x16 Foul Orchard Golgari Guildgate Golgari Rot Farm Jungle Hollow Myriad Landscape Path of Ancestry Skemfar Elderhall Swamp x13 Commander, Theme, and Strategy An elf tribal deck, Elven Empire is a really nice intro to the Commander format with a simple tribal theme

Amass branches off into enough different strategies (aristocrats, tokens, +1/+1 counters, zombies matter) that its just an altogether good mechanic