44 cards where the card is tagged “tribal-zombie” and the number of paper sets = 1

A-Death-Priest of Myrkul (Adventures in the Forgotten Realms #A-95)
A-Narfi, Betrayer King (Kaldheim #A-224)
Aphetto Vulture (Onslaught #126)
Archdemon of Unx (Shards of Alara #64)
Binding Mummy (Amonkhet #6)
Boneknitter (Onslaught #128)
Cleaver Skaab (Midnight Hunt Commander #11)
Clutch of Undeath (Scourge #61)
Deathmark Prelate (Legions #65)
Death-Priest of Myrkul (Adventures in the Forgotten Realms #95)
Dreadhorde Twins (War of the Spark #126)
Drunau Corpse Trawler (Shadows over Innistrad #57)
Embalmed Brawler (Legions #69)
Embalmer's Tools (Amonkhet #227)
Empty the Laboratory (Midnight Hunt Commander #14)
Feeding Frenzy (Onslaught #147)
Frightshroud Courier (Onslaught #149)
Ghastly Remains (Legions #71)
Ghoulcaller's Chant (Innistrad #101)
Grave Defiler (Apocalypse #40)
Hancock, Ghoulish Mayor (Fallout #45)
Hordewing Skaab (Midnight Hunt Commander #15)
Infernal Caretaker (Legions #76)
Innistrad Charm (Unknown Event #UB02c)
In Oketra's Name (Amonkhet #19)
Jason Bright, Glowing Prophet (Fallout #32)
Lamplighter of Selhoff (Shadows over Innistrad #72)
Lim-Dûl the Necromancer (Time Spiral #114)
Mummy Paramount (Hour of Devastation #16)
Putrid Raptor (Scourge #71)
Ravenous Rotbelly (Midnight Hunt Commander #22)
Risen Executioner (Dragons of Tarkir #116)
Sarcomancy (Tempest Remastered #115)
Time to Reflect (Amonkhet #33)
Tomb Tyrant (Midnight Hunt Commander #23)
Tribal Golem (Onslaught #311)
Unconventional Tactics (Hour of Devastation #27)
Unraveling Mummy (Hour of Devastation #147)
Vault 12: The Necropolis (Fallout #51)
Wand of Orcus (Forgotten Realms Commander #28)
War of the Spark (2019 Heroes of the Realm #3)
Wayward Servant (Amonkhet #208)
Zombie Brute (Legions #87)
Zombie Trailblazer (Torment #89)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.