This is not a physical symbol but a category for any card with a collector number that is higher than the set's official advertised number

Contents of the set Monster DD Griffon R3 D/D Savant Kepler N3 D/D Savant Thomas R1 D/D Savant Copernicus NP3 D/D/D Oblivion King Abyss Ragnarok NP1 DDD Oblivion King Bais Requiem UR1 D/D/D Orthros SR2 DD Necros Rime N1 D/D Swirl Slime N3 D/D Lamia NP1 Ash Blossom & Joyous Spring UR3 Maxx "C" UR3 Drawl & Rockbird SR2 Magic Pot of Prosperity UR2 Triple Tactics Talent UR1 Dark Contract with the Gate NP3 Patent Contract Documents N1 Dark Contract with the Swamp King N1 One for One N1 Called by the Grave UR2 Crossout Designator SR1 Traps DDD Head Hunt N1 EX DDD Duo-Dawn King Death Machina UR2 D/D/D Duo-Dawn King Kali Yuga NP1 D/D/D Wave High King Caesar SR1 D/D/D Marksman King Tell N1 DDD/D D-Dawn King Caesar NP1 D/D/D Abyss King Gilgamesh SR2 D/D/D Cursed King Siegfried SR1 D/D/D Flame High King Genghis R1 D/D/D Flame King Genghis NP2 Divine Arsenal AA-ZEUS - Sky Thunder UR1 Magician of Miracles SR1 Please understand that the items are used and please check the condition of the items in the photos

This card gives us a glimpse into this, as Aya Kusubes stylized illustration of Gengar makes it appear even more sinister than usual
The simplest format for a list of Magic cards is a text file containing the number of copies you own and the name of a card on a line by itself: 2x Mimic 1x Mordenkainen's Polymorph 2x Ray of Frost 4x Sol Ring However, the application supports many formats, including a CSV from Magic: The Gathering Online, TCGPlayer table, MTG Studio, Apprentice, DeckBox, and more
Advertisement Once you get 2 yellow and 2 neutral Energy attached to this card, use Super Electromagnetic Tackle to hit your opponent for 200 damage
Play alongside mystical Amethyst and daring Ruby glimmers in one deck or nimble Emerald and stalwart Steel glimmers in the other