"What doesn’t grow, dies. And what dies grows the tarmogoyf."
The Unnatural History cube is a graveyard-focused cube which aims to emulate a power level near that of the Pioneer format.
Items of interest:
Graveyard focus
High synergy with high power level
General themes:
Delirium
Mill and self-mill
Sacrifice
Flashback
Spells matter
Artifacts and/or enchantments matter
Some tribal themes (humans, zombies, faeries, spirits, insects)