No limitless combos, (mostly) red deck, practically 600 cards milled on very first turn. But we took you at your word and allowed myself 4 copies of Power 5 cards.
Opening hand: 3 Mox Ruby, 1 Mox Diamond (discard hill), Ebony Lotus, Wheel of Fortune. Enjoy all, tapping 3 Moxes.
Mill matter: 7
Draw 7: Mox Ruby, 2 Mox Diamond (discard 2 Mountains), Black Lotus, Wheel of Fortune, perform all, tapping 3 Moxes.
Mill count: 14
Draw 7: 1 Mox Diamond (discard Mountain), 2 x Black Lotus, 2 x Lotus Petal, Wheel of Fortune, play all faucet last 2 Moxes and sac 1 Lotus Petal.
Mill count: 21
Draw 7: 3x Lotus Petal, Tolarian Academy, tap out, through Breach -> Szadek, Wheel of Fortune.
Mill count: 28, 15U, 15R drifting
Draw 7: Enrage -> Szadek +13/+0 = 18/5. Combat!
Mill count: 46, 2U 14R drifting, Szadek 36/5
Relentless Assault (1) Attack! MC 82, Szadek 72/5