Youre set to have a great time if it resolves and your opponents have no real enchantment removal (an increasingly common problem in pods)
At one point, before the Companion errata, this was the literal case
You may cast the copy without paying its mana cost
You barely construct your deck as you choose one packet among three, then do it again with packets that Wizards curated
3 Memories of Nibelheim (Stroke of Midnight) Gilgamesh, Weapon Collector (Godo, Bandit Warlord) Noctis Lucis Caelum (Kenrith, the Returned King) Omega, the Heartless Clash of the Eikons Stolen Uniform The Wind Crystal Hero of Light Vaan, Aspiring Sky Pirate Clive Rosfield Wild Rose Rebellion Crystal of Altar Cave To the Crystal Tower Kefka Palazzo Darkness of Eternity FalCie Paradise Newfound Adventure Blessing of the Oracle Astral Titan Benedikta Harman Kefkas Tower Battle at the Big Bridge Princess Sarah Lindblum, Industrial Regency Ambrosia Whiteheart Ardyn Izunia Barnabas Tharmr A Promise Fulfilled Shadow Lord (Gix, Yawgmoth Praetor) Shantottos Compulsion (Diabolic Intent) Adventurers of Vanadiel (Laboratory Maniac) Tidus, Zanarkand Fayth Luka Stadium The Strahl Lightning, Lone Commando Cecil Harvey Warrior of Light Mizzixs Mastery Lightning Bolt Venser, Shaper Savant Mangara, the Diplomat Yawgmoth, Thran Physician Urza, Lord High Artificer Emet-Selch, Ascian Orphan, Cocoon falCie Vayne Carudas Solidor Baron Rivalry Balamb Garden Squall Leonhart Hugo Kupka Vincent Valentine Jecht, Reluctant Guardian Kain, Traitorous Dragoon Bartz Klauser Ultima, Origin of Oblivion Summon Leviathan In Search of the Frozen Esper (Natures Claim) Shadowbringers (Dovins Veto) Till The End
You can simply find a way to put another role on the hexmage, or you can sacrifice it to bargain
