This is because its ability, Magical Mix, grants this character one lore point for each different ink type among characters you have in play
A lot of these cards also are staples in the most popular (and powerful) commander from the set, Vivi Ornitier, further increasing the price spike
So, conceivably, you could have a deck absolutely riddled with Cids
Seriously, just ask around
You can find more Magic content from him on YouTube

Weapons: Yunas Sending Staff (Staff of the Storyteller) - Final Fantasy 10 Clives Invictus Blade (Blade of Selves) - Final Fantasy 16 Clouds Buster Sword (Umezawas Jitte) - Final Fantasy 7 Gaias Dark Hammer (Colossus Hammer) - Final Fantasy 14 Tiduss Brotherhood Sword (Sword of Truth and Justice) - Final Fantasy 10 Grimoire : Yunas Holy Magic (Prismatic Ending) - Final Fantasy 10 Hopes Aero Magic (Cyclonic Rift) - Final Fantasy 13 Noctiss Death Magic (Damn) - Final Fantasy 15 Vivis Thunder Magic (Lightning Bolt) - Final Fantasy 9 Aeriths Curaga Magic (Heroic Intervention) - Final Fantasy 7 Game Over: Spiras Punishment (Day of Judgment) - Final Fantasy 10 Absorb into Time (Temporal Extortion) - Final Fantasy 8 Merciless Poisoning (Toxic Deluge) - Final Fantasy 6 Unseat the Usurper (Praetors Grasp) - Final Fantasy 15 Meteorfall (Star of Extinction) - Final Fantasy 7 The Most Valuable Singles from Final Fantasy x Magic: The Gathering The priciest card around right now isnt a hero or villain from the Final Fantasy set
