Main deck (60) 4 Battlefield Forge 4 Essence Flux 4 Glacial Fortress 4 Harmonic Prodigy 10 Island 4 Malcator, Purity Overseer 4 Naban, Dean of Iteration 4 Ponder 4 Reflector Mage 1 Riptide Laboratory 4 Sea Gate Oracle 4 Secluded Courtyard 4 Step Through 1 Teferi, Mage of Zhalfir 4 Venser, Shaper Savant Sideboard (15) 1 Barrin, Tolarian Archmage 4 Detention Sphere 2 Ethersworn Canonist 3 Lantern of the Lost 3 Stern Proctor 2 Thorn of Amethyst