46 cards where the card types include “spawn” or the text includes “spawn”

A-Uurg, Spawn of Turg (Dominaria United #A-225)
Awakening Zone (New Capenna Commander #281)
Brood Birthing (Rise of the Eldrazi #138)
Broodwarden (Rise of the Eldrazi #181)
Corpsehatch (Duel Decks: Zendikar vs. Eldrazi #50)
Deep Spawn (Masters Edition II #45)
Dread Drone (Commander Masters #152)
Elder Spawn (Legends #52)
Eldrazi Skyspawner (Battle for Zendikar #58)
Emrakul's Hatcher (Duel Decks: Zendikar vs. Eldrazi #59)
Essence Feed (Rise of the Eldrazi #110)
Frenzied Gorespawn (Ravnica: Clue Edition #32)
Growth Spasm (Midnight Hunt Commander #139)
Hand of Emrakul (Rise of the Eldrazi #5)
Infernal Spawn of Evil (Unsanctioned #38)
Infernal Spawn of Infernal Spawn of Evil (Unsanctioned #39)
Infernius Spawnington III, Esq. (Unsanctioned #40)
Isleback Spawn (Shadowmoor #40)
Kozilek's Predator (Commander Masters #301)
Magnus the Red (Warhammer 40,000 Commander #131)
Nest Invader (Planechase Anthology #69)
Pawn of Ulamog (Commander 2017 #120)
Pharika's Spawn (Theros Beyond Death #112)
Pit Spawn (Exodus #70)
Primeval Spawn (Dominaria United Commander #13)
Pyre Spawn (Innistrad: Crimson Vow #173)
Rapacious One (Commander Masters #249)
Skittering Invasion (Rise of the Eldrazi #10)
Spawnbroker (Ravnica: City of Guilds #65)
Spawning Bed (Battle for Zendikar #248)
Spawning Breath (Rise of the Eldrazi #164)
Spawning Pit (Duel Decks: Mirrodin Pure vs. New Phyrexia #69)
Spawning Pool (Tenth Edition #358)
Spawn of Mayhem (Ravnica: Clue Edition #122)
Spawn of Thraxes (Journey into Nyx #112)
Spawnsire of Ulamog (Rise of the Eldrazi #11)
Spawnwrithe (Duel Decks: Jace vs. Vraska #55)
Tervigon (Warhammer 40,000 Commander #100)
The Lost and the Damned (Warhammer 40,000 Commander #129)
Thrashing Mudspawn (Onslaught #177)
Tombstone Stairwell (Mirage #149)
Uurg, Spawn of Turg (Dominaria United #225)
Vampire Spawn (Adventures in the Forgotten Realms #123)
Vertigo Spawn (Conspiracy: Take the Crown #125)
Vilespawn Spider (Innistrad: Crimson Vow #250)
Viral Spawning (Phyrexia: All Will Be One #194)

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