The answer is to that is actually deceptively straightforward Ravnica: Clue Edition is meant to played with four players, with each player opening two of the eight included booster packs and shuffling them together to make their 40-card deck
If he had been on a more traditional build with Grim Flayers and Scavenging Oozes instead of Bitterblossom, I would have wanted both Dusk // Dawns

Table of Contents show The Deck Tekuthal, Inquiry Dominus | Illustration by Martin de Diego Sadaba Commander (1) Planeswalker (9) Ajani Steadfast Elspeth, Storm Slayer Saheeli, Filigree Master Saheeli, Sublime Artificer Teferi, Temporal Pilgrim Teferi, Who Slows the Sunset Tezzeret the Seeker Tezzeret, Betrayer of Flesh Tezzeret, Cruel Captain Creature (27) Abzan Battle Priest Abzan Falconer Arcbound Javelineer Arcbound Ravager Arcbound Reclaimer Arcbound Shikari Arcbound Slasher Arcbound Stinger Arcbound Whelp Cayth, Famed Mechanist Cid, Timeless Artificer Dreamtide Whale Emry, Lurker of the Loch Esper Sentinel Filigree Vector Herald of Secret Streams Kappa Cannoneer Lion Sash Lulu, Stern Guardian Phyrexian Metamorph Scrapyard Recombiner Spark Double Steel Overseer Tekuthal, Inquiry Dominus Thought Monitor Walking Ballista Zabaz, the Glimmerwasp Enchantment (4) All Will Be One Four Knocks Freed from the Real Norn's Decree Artifact (12) Animation Module Arcane Signet Boros Signet Clock of Omens Glistening Sphere Izzet Signet Lux Artillery Mazemind Tome Manifold Key Sol Ring The Aetherspark The Seriema Instant (11) An Offer You Can't Refuse Cyclonic Rift Desynchronization Dispatch Great Train Heist Prologue to Phyresis Slip Out the Back Swords to Plowshares Teferi's Protection Unbreakable Formation Whir of Invention Sorcery (3) Requisition Raid Tezzeret's Gambit Thoughtcast Land (33) Academy Ruins Ancient Den Archway of Innovation Command Tower Fomori Vault Forge of Heroes Glimmervoid Hallowed Fountain Inkmoth Nexus Ishgard, the Holy See Island x4 Karn's Bastion Maze of Ith Mountain x2 Mystic Monastery Opal Palace Plains x2 Power Depot Raugrin Triome Razortide Bridge Sacred Foundry Sea of Clouds Seat of the Synod Silverbluff Bridge Spire of Industry Steam Vents Stormcarved Coast Training Center This deck is a Bracket 2-3 Commander deck with two Game Changers

You can sacrifice creatures that would be destroyed anyway, allowing you to at least do some direct damage
Creature Human Warrior Mardu Skullhunter enters the battlefield tapped
3 mana is a much bigger ask than 2, but its still a perfectly acceptable rate especially in a color starved for mana ramp options