51 cards where the color identity ≤ BUW and the text includes “each” and the text includes “zombie”

Acererak the Archlich (Adventures in the Forgotten Realms #87)
Awaken the Erstwhile (Ravnica Allegiance #61)
Call to the Grave (Magic 2012 #85)
Crowded Crypt (Midnight Hunt Commander #17)
Curse of Disturbance (Commander 2021 #138)
Dark Salvation (Midnight Hunt Commander #110)
Diregraf Colossus (Midnight Hunt Commander #112)
Dread Summons (New Capenna Commander #249)
Dying to Serve (Innistrad: Crimson Vow #109)
Ever After (Commander 2020 #133)
Gangrenous Zombies (Masters Edition II #92)
Geralf, the Fleshwright (Outlaws of Thunder Junction #50)
Ghoulish Procession (Innistrad: Midnight Hunt #102)
Ghouls' Night Out (Midnight Hunt Commander #19)
Gisa and Geralf (Midnight Hunt Commander #150)
Gisa, the Hellraiser (Outlaws of Thunder Junction #89)
Hancock, Ghoulish Mayor (Fallout #45)
Havengul Runebinder (Midnight Hunt Commander #101)
Hour of Eternity (Midnight Hunt Commander #102)
Invasion of Amonkhet // Lazotep Convert (March of the Machine #231)
Invasion of Amonkhet // Lazotep Convert (March of the Machine #231)
Liliana, Dreadhorde General (Ravnica Remastered #80)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Commander Collection: Black #1)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Commander Collection: Black #1)
Liliana, Untouched by Death (Core Set 2019 #106)
Midnight Ritual (Tenth Edition #158)
Necromancer's Covenant (Commander 2015 #229)
Necromaster Dragon (Dragons of Tarkir #226)
Necromentia (Core Set 2021 #116)
Necrotic Hex (Commander Legends #137)
Nevinyrral, Urborg Tyrant (Commander Legends #287)
Night Shift of the Living Dead (Unfinity #81)
Oath of Liliana (Eldritch Moon #99)
Outlaw Stitcher (Outlaws of Thunder Junction #59)
Plague Belcher (Amonkhet #104)
Rank Officer (Modern Horizons #102)
Ravenous Rotbelly (Midnight Hunt Commander #22)
Rise from the Tides (Commander Masters #117)
Risen Executioner (Dragons of Tarkir #116)
Screeching Scorchbeast (Fallout #49)
Shepherd of Rot (Planechase #40)
Soulless One (Planechase #41)
Stitcher Geralf (Commander Masters #121)
Syphon Flesh (Midnight Hunt Commander #129)
The Scarab God (Commander Masters #353)
Tobias, Doomed Conqueror (Dominaria United Commander #45)
Tombstone Stairwell (Mirage #149)
Unbreathing Horde (Duel Decks: Blessed vs. Cursed #66)
Undead Servant (Core Set 2020 #118)
Vault 12: The Necropolis (Fallout #51)
Vengeful Dead (Scourge #80)
Wayward Servant (Amonkhet #208)
Zombie Mob (Mirage #153)

Though this query has ended, its relics still slumber in New Argive.