Marvo, Deep Operative Listed at: $2.00 Marvo, Deep Operative resurrects the clash mechanic
What if I want to use X Hidden Agendas on a smaller number Y of creatures
I expect this to rise in power as red gets better at playing midrange and control strategies

Abzan Armor Tokens : 2x Wall // Spider tokens 2x Wall // Insect tokens 2x Inkling // Insect tokens 2x Bird // Inkling tokens 2x Spider // Bird tokens 0007a_MTGTDM_TknComm: Wall // Spider 0007a_MTGTDM_TknComm: Wall // Insect 0028a_MTGTDM_TknComm: Inkling // Insect 0002a_MTGTDM_TknMain: Bird // Inkling 0025a_MTGTDM_TknComm: Spider // Bird (Back to Top) Jeskai Striker 0007_MTGTDM_CommBord: Shiko and Narset, Unified 0002_MTGTDM_CommBord: Elsha, Threefold Master Shiko and Narset, Unified Elsha, Threefold Master Aligned Heart Tempest Technique Adaptive Training Post Transcendent Dragon Voracious Bibliophile Caldera Pyremaw Transforming Flourish Will of the Jeskai Vanquish the Horde Narset's Reversal Dismantling Wave Mangara, the Diplomat Monastery Mentor Ancestral Vision Archmage Emeritus Baral's Expertise Curse of the Swine Haughty Djinn Lier, Disciple of the Drowned Rite of Replication Sublime Epiphany Electrodominance Manaform Hellkite Baral and Kari Zev Expansion // Explosion [3bSvi4KfOwV9B1DnZkXh7W] Magma Opus Prismari Command Time Wipe Velomachus Lorehold Veyran, Voice of Duality Whirlwind of Thought Adarkar Wastes Battlefield Forge Cascade Bluffs Clifftop Retreat Exotic Orchard Ferrous Lake Glacial Fortress Irrigated Farmland Prairie Stream Rugged Prairie Shivan Reef Skycloud Expanse Sulfur Falls Temple of Enlightenment Temple of Epiphany Temple of Triumph Young Pyromancer Goblin Electromancer Arcane Signet Sol Ring Command Tower Ghostly Prison Swords to Plowshares Compulsive Research Consider Deep Analysis Frantic Search Opt Ponder Pongify Preordain Think Twice Abrade Big Score Curse of Opulence Faithless Looting Guttersnipe Mana Geyser Shiny Impetus Storm-Kiln Artist Evolving Wilds Mystic Monastery Expressive Iteration Third Path Iconoclast Azorius Signet Boros Signet Fellwar Stone Izzet Signet Talisman of Progress Ash Barrens Path of Ancestry Perilous Landscape Reliquary Tower 4 Plains [5m7Y9PpW21ebjCMZA9YVLd] 5 Island [25S58fbiTg0ifaFdUkZN53] 5 Mountain [pydLwsuEu7DaVN71NK3sb] Check out all the cards in the Jeskai Striker deck over at the Tarkir: Dragonstorm Card Image Gallery (click here to see the deck's tokens)

Mox Sapphire doesn't do anything more than provide a single blue mana, but the fact you could play as many of these artifacts as you wished on the first turn meant it was theoretically possible to have far more mana than your opponent if you received a lucky draw