The reason it is so valuable is you have the ability to use it so early in a game
Quite simply, the launch of Disney Lorcana is the largest, most buzzed-about customizable trading card game launch that weve seen in several years, says James Zahn, editor in chief of trade publication the Toy Book

Final Fantasy: Game Over Day of Judgment / Spira's Punishment Praetor's Grasp / Unseat the Usurper Star of Extinction / Meteorfall Temporal Extortion / Absorb into Time Toxic Deluge / Merciless Poisoning Final Fantasy: Grimoire Cyclonic Rift / Hope's Aero Magic Damn / Noctis's Death Magic Heroic Intervention / Aerith's Curaga Magic Lightning Bolt / Vivi's Thunder Magic Prismatic Ending / Yuna's Holy Magic Final Fantasy: Weapons Blade of Selves / Clive's Invictus Blade Colossus Hammer / Gaia's Dark Hammer Staff of the Storyteller / Yuna's Sending Staff Sword of Truth and Justice / Tidus's Brotherhood Sword Umezawa's Jitte / Cloud's Buster Sword The individual bundles were listed at $29.99 for the non-foils and $39.99 for the rainbow foil versions in what I call an expensive sidequest
Trazyn is basically a Necrotic Ooze for artifacts a very interesting niche
The mid-range cost and power makes it adaptable to a number of situations, offering rock-solid ability whether its challenging or questing
You can also get more benefits along the way, which offsets the fact that your creature will be gone in a few turns