Once I broke all this down, the answer seemed pretty clear: I needed to track spells being cast
11 Mathmech's Simple Math Operations Make Powerful Synchros Calculated Synchro and Boss Monster Strategy Mathmech Addition Mathmech Circular Geomathmech Final Sigma Primatech Alembertian Mathmechs in Yu-Gi-Oh

Advanced Search Sets Random Syntax Adaptive Automaton An Unexpected Party An-Zerrin Ruins And They Shall Know No Fear Arcane Adaptation Ashes of the Fallen Banner of Kinship Belbe's Portal Bloodline Bidding Bloodline Pretender Bloodline Shaman Brass Herald Caller of the Hunt Cavern of Souls Celestial Reunion Chronicle of Victory Circle of Solace Collective Inferno Conspiracy Coordinated Barrage Cover of Darkness Crippling Fear Distant Melody Doom Cannon Door of Destinies Elvish Soultiller Engineered Plague Etchings of the Chosen For the Ancestors From the Rubble Gathering Stone Harmonized Crescendo Haunting Voyage Herald's Horn Herald's Horn Icon of Ancestry Imagecrafter Instruments of War Kindred Boon Kindred Charge Kindred Discovery Kindred Dominance Kindred Summons Leyline of Transformation Lifecraft Engine Littjara Luminescent Rain Metallic Mimic Mirror Entity Avatar Mirror of the Forebears Mistform Mutant Mistform Wakecaster Molten Echoes Morophon, the Boundless Obelisk of Urd Oko, Shadowmoor Scion Orcrist, Goblin-cleaver Outbreak Pack's Disdain Pact of the Serpent Patchwork Banner Peer Pressure Pillar of Origins Plague Engineer Pol Jamaar, Illusionist Progenitor's Icon Radiant Destiny Raise the Palisade Raise the Palisade Rally the Ranks Realmwalker Reflections of Littjara

Veloci-Ramp-Tor Quite frankly, this precon is by far the best out of the Lost Caverns of Ixalan set, and undoubtedly one of the most cohesive weve seen in the last couple of years
And then things got wilder, because his mom waded in
Cast Phyrexian Dreadnought for one mana upside down, or tutor it up with Demonic Tutor if you don't have it already