The format remains fringe, but if it becomes as well-established as something like Pauper, we may see more movement on the Reserved List cards that actually see play in it like Phyrexian Dreadnaught and Gaeas Cradle , as well as staples for more budget decks like Pyroblast in Burn
In a format of 100 card singleton, its crucial for helping tie your decks game plan together

Preston Blink | Commander | Paige Smith Commander (1) 1 Preston, the Vanisher Creatures (30) 1 Blade Splicer 1 Captain of the Watch 1 Charming Prince 1 Distinguished Conjurer 1 Felidar Guardian 1 Fiend Hunter 1 Gallant Cavalry 1 Inspiring Overseer 1 Knight of the White Orchid 1 Kor Cartographer 1 Mage's Attendant 1 Meteor Golem 1 Palace Jailer 1 Pegasus Guardian 1 Priest of Ancient Lore 1 Rambunctious Mutt 1 Resolute Reinforcements 1 Restoration Angel 1 Roving Harper 1 Rumor Gatherer 1 Solemn Simulacrum 1 Soul Warden 1 Soul's Attendant 1 Spirited Companion 1 Stonehorn Dignitary 1 Sun Titan 1 Thraben Inspector 1 Wall of Omens 1 Welcoming Vampire 1 White Plume Adventurer Instants (12) 1 Acrobatic Maneuver 1 Cloudshift 1 Cosmic Intervention 1 Ephemerate 1 Flicker of Fate 1 Justiciar's Portal 1 Kabira Takedown // Kabira Plateau 1 Lae'zel's Acrobatics 1 Otherworldly Journey 1 Return to Dust 1 Sejiri Shelter // Sejiri Glacier 1 Swords to Plowshares Sorceries (4) 1 Austere Command 1 Emeria's Call // Emeria, Shattered Skyclave 1 Hour of Reckoning 1 Makindi Stampede // Makindi Mesas Enchantments (8) 1 Anointed Procession 1 Felidar Retreat 1 Flickerform 1 Intangible Virtue 1 Journey to Nowhere 1 Oblivion Ring 1 Teleportation Circle 1 Valor in Akros Artifacts (9) 1 Arcane Signet 1 Conjurer's Closet 1 Heraldic Banner 1 Marble Diamond 1 Mind Stone 1 Oketra's Monument 1 Panharmonicon 1 Skullclamp 1 Sol Ring Truthfully, I'm generally used to seeing my Blink Commander decks being either Bant or Azorius colors more than anything

Cecil, Dark Knight / Cecil, Redeemed Paladin Besides its incredible, flavorful design (FFIV), Cecil, Dark Knight is also a very good black suicide aggro card as a 2/3 deathtouch creature with a little bit of a downside that you can turn into upside later
Return the Past Return the Past is an enchantment that literally gives you the Past in Flames effect at all times
The trouble is when they cluster together