Mechanics handled seamlessly by a computer become a logistical hassle on the tabletop, leading to messy gameplay and memory issues
The two lighter stamps are both on a Machop and the more defined stamp is on a Porygon
As for its use in MTG , it can be a pretty potent card if played in the right way

Ademi of the Silkchutes Aerie Mystics Afterlife Insurance Age of Ultron Ajani, Inspiring Leader Akroma's Blessing Akroma's Will Akroma's Will Angelic Skirmisher Ankle Shanker Appeal // Authority Appeal // Authority Archangel Avacyn Arm with ther Atarka Pummeler Azorius Charm Baleful Beholder Binding the Old Gods Bitter Reunion Bleeding Effect Blinding Fog Blood-Chin Rager Blossoming Bogbeast Bog Badger Bond of Discipline Boromir, Warden of the Tower Brave the Elements Burst of Speed Chance for Glory Chasm Guide Cleaver Riot Company Commander Concerted Effort Conclave Guildmage Crash Through Crashing Drawbridge Craterhoof Behemoth Crossbow Ambush Dauntless Escort Deafening Clarion Divine Resilience Dominaria's Judgment Draconautics Engineer Dragon Throne of Tarkir Dragonrage Driven // Despair Driven // Despair Drover Grizzly Duty Beyond Death Elspeth, Undaunted Hero Emeria's Call Essence of Antiquity Family Reunion Fervor Firemantle Mage Flawless Maneuver Frontline Medic Frostwind Invoker Furystoke Giant Garruk, Savage Herald Garruk, the Veil-Cursed Gavony Ghastly Death Tyrant Gideon's Phalanx Glaring Spotlight Glory Goring Ceratops Goro-Goro and Satoru Goro-Goro, Disciple of Ryusei Grand Crescendo Greenbelt Radical Gruesome Slaughter

Conduit of Worlds Replaying lands already feels like drawing cards, so Conduit of Worlds makes things better by adding a recursive ability