37 cards where the card is tagged “mana-egg”

Astrolabe (Masters Edition III #189)
Barbed Sextant (Masters Edition II #204)
Blacker Lotus (Unglued #70)
Black Lotus (Vintage Masters #4)
Buried Treasure (The Lost Caverns of Ixalan #246)
Chromatic Sphere (Jumpstart #462)
Chromatic Star (Time Spiral Remastered #263)
Courier's Briefcase (Streets of New Capenna #142)
Darkwater Egg (Odyssey #299)
Dire Mimic (Commander Legends: Battle for Baldur's Gate #310)
Eye of Ramos (Mercadian Masques #294)
Glittering Stockpile (Outlaws of Thunder Junction Commander #167)
Gold (Murders at Karlov Manor Commander Tokens #25)
Golden Egg (Throne of Eldraine #220)
Guild Globe (War of the Spark #239)
Heart of Ramos (Mercadian Masques #296)
Horn of Ramos (Mercadian Masques #299)
Implements of Sacrifice (Fallen Empires #88)
Jack-o'-Lantern (Innistrad: Midnight Hunt #254)
Jeweled Lotus (Commander Masters #396)
Kaleidostone (Conflux #137)
Lion's Eye Diamond (Vintage Masters #271)
Lotus Bloom (Time Spiral Remastered #270)
Lotus Blossom (Dominaria Remastered #230)
Lotus Petal (Tempest Remastered #225)
Mimic (Adventures in the Forgotten Realms #249)
Mirrored Lotus (Mystery Booster Playtest Cards 2021 #107)
Mossfire Egg (Odyssey #304)
Shadowblood Egg (Odyssey #308)
Shrine of Boundless Growth (New Phyrexia #152)
Skull of Ramos (Mercadian Masques #312)
Skycloud Egg (Odyssey #309)
Sungrass Egg (Odyssey #311)
Terrarion (Jumpstart #488)
Tooth of Ramos (Mercadian Masques #313)
Treasure (Outlaws of Thunder Junction Tokens #18)
Wizard's Rockets (The Lord of the Rings: Tales of Middle-earth #252)

The arc of my blade has carved a path of light to the end of these results.