This is called a Gray Stamp error and occurs when the plate responsible for the First Edition symbol has insufficient ink
If this spell's prowl cost was paid, take an extra turn after this one

Sort Card Type Hop's Zacian ex #123Double Rare $0.28 Hop's Zacian ex #69Double Rare $0.26 Hop's Zacian ex - 111/159 #111Double Rare $1.49 Hop's Zacian ex - 111/159 #111Double Rare $0.66 Hop's Zacian ex - 118/100 #118Super Rare $1.46 Hop's Zacian ex - 128/100 #128Special Art Rare $22.64 Hop's Zacian ex - 176/159 #176Ultra Rare $1.66 Hop's Zacian ex - 186/159 #186Special Illustration Rare $35.18 Hop's Zacian ex - SVP193 #SVP193Double Rare $1.03 Hop's Zacian ex - SVP193 #SVP193Double Rare $0.55 Zacian #139Rare $0.46 Zacian #82Amazing Rare $5.36 Zacian #94Holo Rare $0.28 Zacian #136Rare $0.23 Zacian #48Rare $0.31 Zacian #52Rare $0.30 Zacian #136None $0.30 Zacian #33Amazing Rare $12.47 Zacian - 015 #15Promo $10.80 Zacian - 015 [Staff] #15Promo $34.67 Zacian - 045/094 #45Rare $0.22 Zacian - 045/094 #45Rare $0.13 Zacian - 100/094 #100Illustration Rare $4.48 Zacian - 136/182 #136Rare $0.32 Zacian - 139/192 (Cracked Ice Holo) #139Holo Rare $3.16 Zacian - SWSH033 #SWSH33Promo $3.59 Zacian ex - 198 #198Promo $0.52 Zacian LV

Getting a bunch of free artifacts opens the door to breaking lots of powerful effects, like Urza, Lord High Artificer or Cyberdrive Awakener
However, I felt obligated to include it as the 2020 yearbook winner for most likely to be mutated. The full value of its keywords and any counters you paid for contribute to the creature you mutate over it, making for some really terrifying threats
As I frequently do with any new set, I started browsing the new, exciting, and most valuable cards from the Edge of Eternities