One of these cards is called Splendid Genesis, a card that only has a few copies in existence
Best of Promos has 9 cards in total
But there are lots of cards that arent crazy foils or alternative versions that still have pretty high price points, even some basic lands are lucrative
Abundant Maw Aeve, Progenitor Ooze All of History, All at Once Amphibian Downpour Ancestral Communion Annoyed Altisaur Apex Devastator Arcane Archery Ardent Plea Artisan of Kozilek Astral Steel Aurora Phoenix Banish into Fable Bearer of Silence Benthic Anomaly Bitter Ordeal Bituminous Blast Blight Herder Bloodbraid Elf Bloodbraid Marauder Bloodrage Alpha Boarding Party Brain Freeze Brain Gorgers Brass Knuckles Breaker of Creation Bruna, the Fading Light Bygone Marvels Call Forth the Tempest Captured Sunlight Champions of Tyr Chandra, the Firebrand Changing Loyalty Chatterstorm Cityscape Leveler Codie, Vociferous Codex Conduit of Ruin Consign to Memory Consuming Oni Crackling Spellslinger Creative Technique Crow Storm Dark Apostle Dark Intimations Dash Hopes Decimator of the Provinces Demigod of Revenge Demonic Dread Deny Reality Depth Defiler Desolation Twin Devourer of Destiny Distended Mindbender Djinn Illuminatus Don't Worry About It (playtest) Doublecast Dragonborn Immolator Dragonstorm Drowner of Truth Drownyard Lurker Dual Strike Echo Storm Elder Deep-Fiend Eldrazi Obligator Eldrazi Repurposer Electrostatic Blast Elemental Eruption Empty the Warrens Empyrial Storm Emrakul, the Aeons Torn Emrakul, the Promised End Emrakul, the World Anew
So, to quickly clarify: Creature cards in your mutated pile are just that in game terms: creature cards
While there were plenty of children and families here, there were also lots of adults like Maro who were just as excited to pick up the limited-edition cards
