Create two 1/1 colorless Gnome artifact creature tokens
Each is themed after a character and has a mono color identity
Star Wars: Unlimited and Yu-Gi-Oh

Academy Raider Akki Raider Bloodbraid Challenger Bloodbraid Elf Bloodbraid Marauder Bog Raiders Braid of Fire Braided Net Braided Quipu Braids's Frightful Return Braids, Arisen Nightmare Braids, Cabal Minion Braids, Conjurer Adept Braids, Conjurer Adept Avatar Braidwood Cup Braidwood Sextant Cache Raiders Captain Storm, Cosmium Raider Commando Raid Deathbellow Raider Erg Raiders Fire Nation Raider Flamebraider Frenzied Raider Gallowbraid Gastal Raider Gathan Raiders Ghost-Lit Raider Goblin Deathraiders Goblin Raider Goblin Sky Raider Goblin Tomb Raider Golgari Raiders Gorehorn Raider Hell-Bent Raider Immersturm Raider Impromptu Raid Kari Zev, Skyship Raider Keldon Raider Kraul Raider Kresh the Bloodbraided Kresh the Bloodbraided Avatar Lavastep Raider Massive Raid Merchant Raiders Merfolk Raiders Mine Raider Misty Mountains Raider Mogg Raider Monastery Raid Mons's Goblin Raiders Mudbrawler Raiders Nocturnal Raid Okiba Reckoner Raid Pheres-Band Raiders Prossh, Skyraider of Kher Protean Raider Raid Bombardment Raiders' Karve Raiders' Spoils Raiders' Wake Raiding Nightstalker Raiding Party Raiding Schemes Ravine Raider Redcap Raiders Requisition Raid Riphook Raider Rose, Cutthroat Raider Rubblebelt Raiders Ruin Raider Saprazzan Raider

Conversely, this can also be an advantage for getting into the game since you can build these entire decks from opening just the one set
Living Energy can do a whole lot, with a lot of ways to quickly amass a large amount of energy counters