With so many Rakdos cards that feed into a treasure archetype, cards like Xorn, Goldspan Dragon, and Marionette Master make for great additions to these Rakdos decks
27 Spells Mana Crypt Mox Opal Chrome Mox Mox Diamond Sensei's Divining Top Chromatic Star Vampiric Tutor Preordain Reanimate Entomb Cabal Therapy Inquisition of Kozilek See Beyond Demonic Tutor Talisman of Dominance Spellskite Exhume Baleful Strix Dimir Charm Frantic Search Thirst for Knowledge Tinker Living Death Myr Battlesphere Sundering Titan Sphinx of the Steel Wind Inkwell Leviathan 13 Lands Seat of the Synod Vault of Whispers City of Traitors Ancient Tomb Urborg, Tomb of Yawgmoth Island Swamp Polluted Delta Underground Sea Underground River Watery Grave Sunken Ruins Dimir Aquaduct I'm not going to drone on too much about this list or the archetype as the main purpose of this post is to start to give some depth to the various top archetypes in the cube
Card Conjurer
These are central to the mana bases of most formats that include them and are overall well-balanced and fun
Sword of War and Peace, on the other hand, depends on the number of cards in players hands, so it wont be always good
Between Beasts, Cats, Elves, Goblins, and even Horses, theres a lot for everyone to enjoy