replace Oreskos Swiftclaw with Seeker of the Way
replace Fiery Justice with Bloodbraid Elf
replace Hearth Kami with Monastery Swiftspear
replace Absorb with Garruk, Apex Predator
replace Illusionary Forces with Disdainful Stroke
replace Rhox War Monk with Ajani Vengeant
replace Diminishing Returns with Confiscate
replace Briarpack Alpha with Woodfall Primus
replace Shrapnel Blast with Chandra, Pyromaster
replace Gustha's Scepter with Winter Orb
replace Restock with Natural Order
fix chronology
indicate which cards are physically in the cube
replace Phelddagrif with Detention Sphere
replace Zendikar fetch lands with Onslaught fetch lands
replace Trygon Predator with Sagu Mauler

As suggested by @weakplayer.
replace Incinerate with Lightning Strike
replace Molten-Tail Masticore with Myr Battlesphere

As suggested by @Luggsie.