It can give fetchlands a lot more value by earthbending them, making them return to play for incredible landfall combos, and it can make mana dorks and earthbent lands very efficient for otherworldly mana ramp
I always complain about how little black targetted discard there is

Atraxa and the Wrong Counters Atraxa, Praetors' Voice | Illustration by Victor Adame Minguez Commander (1) Creature (22) Deepglow Skate Elvish Farmer Feral Thallid Icatian Moneychanger Kabira Vindicator Kazandu Tuskcaller Leech Bonder Lighthouse Chronologist Ludevic's Test Subject Musician Mycologist Psychotrope Thallid Sporesower Thallid Student of Warfare Thallid Thallid Devourer Thallid Shell-Dweller Thorn Thallid Thrummingbird Transcendent Master Utopia Mycon Vitaspore Thallid Sorcery (2) Instant (2) Brokers Confluence Clockspinning Artifact (16) Chimeric Mass Contagion Clasp Contagion Engine Darksteel Reactor Investigator's Journal Lux Cannon Luxior, Giada's Gift Mercadian Lift Oracle's Vault Replicating Ring Sphere of Annihilation Strixhaven Stadium The Ozolith Tome of Legends Transmogrifying Wand Wishclaw Talisman Enchantment (21) Black Market Bounty of the Luxa Crescendo of War Endless Scream Fungal Bloom Gutter Grime Helix Pinnacle Hoofprints of the Stag Legacy's Allure Luminarch Ascension Mind Unbound Ominous Seas Out of Time Palliation Accord Parallax Nexus Parallax Tide Parallax Wave Pursuit of Knowledge Resourceful Defense Serra's Liturgy Venarian Gold Land (36) Arcane Sanctum Azorius Chancery Calciform Pools Command Tower Dimir Aqueduct Dreadship Reef Evolving Wilds Exotic Orchard Forest x4 Fountain of Cho Golgari Rot Farm Hickory Woodlot Island x2 Karn's Bastion Opulent Palace Orzhov Basilica Peat Bog Plains x3 Remote Farm Rushwood Grove Saltcrusted Steppe Sandsteppe Citadel Saprazzan Skerry Seaside Citadel Selesnya Sanctuary Simic Growth Chamber Subterranean Hangar Swamp x2 Terramorphic Expanse Magic: The Gathering has used counters to represent any number of ephemeral effects on creatures

You can always ditch the clone and keep the original when you want to pod again if each creature has the chance to enter with a clone of itself
If you need to scan cards: Manabox or Dragon Shield on mobile, CardCastle if you also sell
You can rely on that distinction when youre deciding how to test or sleeve up a high-dollar deck WotC gives store owners and players room to use proxies for casual or playtesting purposes, but they draw the line at sanctioned, prize-bearing competition