Ayara, First of Locthwain Ayara, Widow of the Realm Blightsoil Druid Briarblade Adept Compleated Huntmaster Creakwood Safewright Dawnhand Dissident Dawnhand Eulogist Deadbridge Shaman Deathknell Berserker Drider Duskwielder Elderfang Disciple Elderfang Ritualist Elvish Doomsayer Elvish Dreadlord Exquisite Huntmaster Eyeblight Assassin Eyeblight Cullers Eyeblight's Ending Gilt-Leaf Winnower Gloom Ripper Gnarlroot Trapper Haunt of the Dead Marshes Hired Hexblade Hunter of Eyeblights Infestation Sage Iron-Shield Elf Koma's Faithful Lys Alana Scarblade Maralen of the Mornsong Melancholic Poet Miara, Thorn of the Glade Moonglove Extractor Moonglove Winnower Nadier's Nightblade Nadier, Agent of the Duskenel Nightshade Harvester Plague Witch Prowess of the Fair Ruthless Winnower Scarblade Elite Scarblade Scout Scarred Vinebreeder Shadowheart, Dark Justiciar Skemfar Avenger Skemfar Shadowsage Thornbow Archer Thornmantle Striker Twilight Diviner Unscrupulous Agent Viconia, Drow Apostate

(6/6/2025) Although Yuffie enters attacking when its ninjutsu ability resolves, it was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example)
Sure, youll be happy to have it against certain Boros and Selesnya starts, but three mana is a big cost for something that might not have any targets
The very best commander for the sliver tribe is the Cascade card, The First Sliver