Among main decks of Izzet Prowess builds specifically, 6 players are running four copies, 75 are running three copies, 32 are running two copies, 8 are running one copy, and 19 are running no copies of Vivi Ornitier
Triggering off of artifacts as well is a huge deal since it lets you draw cards from Treasures, Clues, etc
The First Chapter Starter Deck Emerald & Ruby Emerald Ruby has never really been a meta ink combination and perhaps this starter deck shows why
In later games, the Crystals sometimes unlocked Jobs for the party, giving access to new character classes

Advanced Search Sets Random Syntax Aerith Gainsborough Ardyn, the Usurper Bahamut, Warden of Light Balamb Garden, Airborne Balthier and Fran Bartz and Boko Beatrix, Loyal General Braska's Final Aeon Cecil, Dark Knight Cecil, Redeemed Paladin Choco, Seeker of Paradise Crystallized Serah Dion, Bahamut's Dominant Edgar, King of Figaro Excalibur II Firion, Wild Rose Warrior Galian Beast Gilgamesh, Master-at-Arms Golbez, Crystal Collector Hope Estheim Hydaelyn, the Mothercrystal Jecht, Reluctant Guardian Jenova, Ancient Calamity Jill, Shiva's Dominant Joshua, Phoenix's Dominant Kain, Traitorous Dragoon Kuja, Genome Sorcerer Lightning, Security Sergeant Matoya, Archon Elder Minwu, White Mage Noctis, Prince of Lucis Phoenix, Warden of Fire Raubahn, Bull of Ala Mhigo Rosa, Resolute White Mage Sazh Katzroy Seifer Almasy Serah Farron Seymour Flux Shinryu, Transcendent Rival Shiva, Warden of Ice Sin, Spira's Punishment Squall, SeeD Mercenary Stiltzkin, Moogle Merchant Tellah, Great Sage The Darkness Crystal The Earth Crystal The Fire Crystal The Lunar Whale The Masamune The Regalia The Wandering Minstrel The Water Crystal The Wind Crystal Tifa Lockhart Trance Kuja, Fate Defied Ultima Weapon Ultima, Origin of Oblivion Ultimecia, Temporal Threat Vaan, Street Thief Venat, Heart of Hydaelyn Vincent Valentine Xande, Dark Mage Zell Dincht Zenos yae Galvus Zodiark, Umbral God
