Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Underground Mortuary (2 variants) Murders at Karlov Manor Promos | 271p |
| Underground Mortuary (16 variants) Murders at Karlov Manor | 333 |
| Underground Mortuary Murders at Karlov Manor Promos | 271s |
| Underground Mortuary (16 variants) Murders at Karlov Manor | 271 |
| Underfoot Underdogs (12 variants) Tarkir: Dragonstorm | 129 |
| Underdome Unsanctioned | 86 |
| Underdog Racer Unknown Event | CG05a |
| Underdark Rift (10 variants) Forgotten Realms Commander | 62 |
| Underdark Rift The List | AFC-62 |
| Underdark Explorer (22 variants) Commander Legends: Battle for Baldur's Gate | 154 |
| Underdark Beholder Mystery Booster Playtest Cards 2019 | 49 |
| Underdark Beholder Mystery Booster Playtest Cards 2021 | 49 |
| Underdark Basilisk // Basilisk (2 variants) Adventures in the Forgotten Realms Art Series | 9 |
| Underdark Basilisk (22 variants) Adventures in the Forgotten Realms | 334 |
| Underdark Basilisk (22 variants) Adventures in the Forgotten Realms | 208 |
| Undercover Skrull (12 variants) Marvel Super Heroes | 194 |
| Undercover Operative (2 variants) Streets of New Capenna Promos | 63p |
| Undercover Operative Streets of New Capenna Promos | 63s |
| Undercover Operative (22 variants) Streets of New Capenna | 63 |
| Undercover Operative (10 variants) Streets of New Capenna | 414 |
| Undercover Crocodelf (16 variants) Murders at Karlov Manor | 239 |
| Undercover Crocodelf (2 variants) Murders at Karlov Manor | 239† |
| Undercover Butler Ravnica: Clue Edition | 49 |
| Undercity's Embrace The List | RNA-89 |
| Undercity's Embrace (22 variants) Ravnica Allegiance | 89 |
| Undercity's Embrace (16 variants) Ravnica Remastered | 96 |
| Undercity Uprising (22 variants) Guilds of Ravnica | 210 |
| Undercity Upheaval (16 variants) March of the Machine: The Aftermath | 75 |
| Undercity Upheaval (16 variants) March of the Machine: The Aftermath | 25 |
| Undercity Upheaval (3 variants) March of the Machine: The Aftermath | 205 |
| Undercity Upheaval (8 variants) March of the Machine: The Aftermath | 125 |
| Undercity Troll (22 variants) Magic Origins | 202 |
| Undercity Troll (6 variants) Iconic Masters | 188 |
| Undercity Shade (18 variants) Ravnica: City of Guilds | 110 |
| Undercity Sewers Murders at Karlov Manor Promos | 270s |
| Undercity Sewers (16 variants) Murders at Karlov Manor | 270 |
| Undercity Sewers (16 variants) Murders at Karlov Manor | 332 |
| Undercity Sewers (2 variants) Murders at Karlov Manor Promos | 270p |
| Undercity Sewers (12 variants) Teenage Mutant Ninja Turtles Source Material | 20 |
| Undercity Scrounger // Undercity Scrounger (2 variants) Neon Dynasty Art Series | 42 |
| Undercity Scrounger (6 variants) Foundations Jumpstart | 501 |
| Undercity Scrounger (22 variants) Kamigawa: Neon Dynasty | 126 |
| Undercity Scavenger (22 variants) Ravnica Allegiance | 88 |
| Undercity Reaches (8 variants) March of the Machine Commander | 163 |
| Undercity Reaches Planechase Anthology Planes | 83 |
| Undercity Reaches (6 variants) Planechase Planes | 39 |
| Undercity Plague (22 variants) Gatecrash | 83 |
| Undercity Necrolisk (22 variants) Guilds of Ravnica | 87 |
| Undercity Informer The List | GTC-82 |
| Undercity Informer (22 variants) Gatecrash | 82 |