A box at 5,800 against an expected value of approximately 34,500 (based on aggregate card pricing) suggests favorable math though EV calculations always assume you can sell every card at market price, which is rarely practical

Everything Comes to Dust Four Knocks The Girl in the Fireplace Ian Chesterton Jo Grant The Night of the Doctor The Pandorica Peri Brown Romana II Tegan Jovanka Trial of a Time Lord The War Games The Wedding of River Song Wilfred Mott Adric, Mathematical Genius All of History, All at Once An Unearthly Child Auton Soldier Become the Pilot Cyber Conversion Danny Pink Don't Blink The Eleventh Hour Five Hundred Year Diary Flatline Flesh Duplicate The Flood of Mars Hunted by The Family K-9, Mark I Martha Jones Nanogene Conversion Nardole, Resourceful Cyborg Nyssa of Traken Quantum Misalignment Renegade Silent Reverse the Polarity Star Whale Start the TARDIS Surge of Brilliance Time Beetle Time Lord Regeneration Traverse Eternity Twice Upon a Time Twice Upon a Time Wibbly-wobbly, Timey-wimey Zygon Infiltrator Dalek Drone Dalek Squadron Death in Heaven Doomsday Confluence Exterminate
Heres a quick rundown on how it works
But still, its super unique
Standard In Standard, discounting a combo cropping up from Kamigawa: Neon Dynasty itself, Weaver of Harmony mostly seems like a value card
Chart shows the price of Electabuzz #87 at the end of each month going back as long as we have tracked the item.