Pauper Cube where no cards are removed for being too powerful. Also allowing Arena-set downshifts, Pauper banned cards, and unset cards that are reasonable.

Archetypes:
WU - Flyers, Blink, Artifacts, Control
UB - Ninjas/Initiative, Artifacts, Control
BR - Artifacts, Sacrifice, Control
RG - Stompy, Storm, Ramp
GW - Boggles, +1/+1 Counters
WB - Midrange Value, Arifacts, Control
BG - Graveyard Matters, Modified
GU - Ramp, Tempo
UR - Spells Matter, Artifacts, Control
RW - Go Wide, Heroic

In addition to the archetypes, infinite combos are included that can have their own decks formed around them.

Combos in the cube:
Basking Broodscale + Sadistic Glee

Midnight Guard + Presence of Gond

Freed from the Real + Voyaging Satyr + Utopia Sprawl

Devoted Druid + Presence of Gond + Ivy Lane Denizen/Sigil of the Nayan Gods

Ghostly Flicker + Archaeomancer + Peregrine Drake

High Tide + Snap + Archaeomancer + Wild Growth

Pili-Pala + Careful Cultivation

First Day of Class/Muzzio's Preparations + Creature with Persist + Sac Outlet

Ivy Lane Denizen + Safehold Elite + Sac Outlet

Sprout Swarm + Goblin Anarchomancer + Thermo-Alchemist + Unruly Catapult + Kindlespark Duo