Other printings of this card are still around $35, and I could see this version of Skithiryx creeping its way up in price the farther we get from a reprint
If you invest six mana in your Wurmcoil to get it bounced with a Jace -1 you have almost certainly lost
3 Chaos, the Endless Clive, Ifrit's Dominant Cloud, Planet's Champion Esper Terra Firion, Wild Rose Warrior Freya Crescent Garland, Knight of Cornelia Gilgamesh, Master-at-Arms Giott, King of the Dwarves Gladiolus Amicitia Ifrit, Warden of Inferno Joshua, Phoenix's Dominant Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Lightning, Army of One Lightning, Security Sergeant Phoenix, Warden of Fire Prompto Argentum Queen Brahne Raubahn, Bull of Ala Mhigo Rydia, Summoner of Mist Seifer Almasy Shantotto, Tactician Magician Tellah, Great Sage Terra, Magical Adept The Emperor of Palamecia The Fire Crystal The Lord Master of Hell Trance Kuja, Fate Defied Vaan, Street Thief Vivi Ornitier World Champion, Celestial Weapon Zell Dincht Zidane, Tantalus Thief
You can also make people cry when they play Delver, Noble Hierarch, Ice-Fang, Brazen Borrower and much, much more
This allows GW versions of the deck in particular not be reliant on Captain Sisay in the command zone to tutor for everything, which makes games a little more varied
