Up until this set, only one and two coloured token cards existed
This works perfectly with her ability, which reads, Each enchantment card in your hand has miracle

Soul Sisters with Bess | Commander | Abe Sargent Commander (1) 1 Bess, Soul Nourisher Creatures (28) 1 Auriok Champion 1 Avacyn's Pilgrim 1 Beastcaller Savant 1 Daxos, Blessed by the Sun 1 Elvish Mystic 1 Esper Sentinel 1 Essence Warden 1 Felidar Sovereign 1 Impassioned Orator 1 Lathiel, the Bounteous Dawn 1 Lion Sash 1 Llanowar Elves 1 Lunarch Veteran 1 Mentor of the Meek 1 Mother of Runes 1 Quirion Elves 1 Prosperous Innkeeper 1 Recruiter of the Guard 1 Rhox Faithmender 1 Sakura-Tribe Elder 1 Shattered Angel 1 Soul's Attendant 1 Soul Warden 1 Suture Priest 1 Tangled Florahedron 1 Toski, Bearer of Secrets 1 Weathered Wayfarer 1 Welcoming Vampire Planeswalkers (1) 1 Elspeth, Sun's Champion Spells (17) 1 Akroma's Will 1 Beast Within 1 Call the Coppercoats 1 Camaraderie 1 Conqueror's Pledge 1 Decree of Justice 1 Dusk // Dawn 1 Entrapment Maneuver 1 Generous Gift 1 Grand Crescendo 1 Heroic Intervention 1 Increasing Devotion 1 Retribution of the Meek 1 Rootkin Defenses 1 Seed Spark 1 Shamanic Revelation 1 Teferi's Protection Enchantments (6) 1 Ajani's Welcome 1 Doubling Season 1 Dawn of Hope 1 Family's Favor 1 Light of Promise 1 Test of Endurance Artifacts (13) 1 Aetherflux Reservoir 1 Basilisk Collar 1 Behemoth Sledge 1 Darksteel Plate 1 Hammer of Nazahn 1 Lightning Greaves 1 Relic of Progenitus 1 Robe of Stars 1 Scepter of Celebration 1 Swiftfoot Boots 1 Trailblazer's Boots 1 Well of Lost Dreams 1 Whispersilk Cloak Lands (32) 1 Blossoming Sands 1 Castle Ardenvale 1 Command Tower 1 Dryad Arbor 1 Graypelt Refuge 1 Kabira Crossroads 1 Kjeldoran Outpost 1 Krosan Verge 1 Memorial to Glory 1 Rogue's Passage 1 Sapseep Forest 1 Scattered Groves 1 Scavenger Grounds 1 Stirring Wildwood 1 Temple of Plenty 1 Temple Garden 1 War Room 1 Witch's Clinic 1 Vitu-Ghazi, the City Tree 7 Forest 6 Plains And there you go

So they had 3-5 minutes
I did offer them a choice Queen Marchesa Illustrated by Lake Hurwitz Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Its probably impossible to calculate how big the market for MTG cards across the world is, but even the bulk value of all cards released in the past 30+ years would point to millions at least