Karador self-mill fatties (EDH / Commander)

This is a Karador toolbox deck where the aim is to self-mill to fill your graveyard with answers to your opponents plays, whilst playing big creatures that get stronger the more you fill your graveyard.

The Wincon is straight up big creature damage using cards like Boneyard Wurm and Mortivore , which can trample through thanks to Brawn and Centaur Chieftain .

Although Karador, Ghost Chieftain can only cast 1 creature per turn Karmic Guide + Reveillark can be used to fill your board with huge creatures due to their low power whilst in a graveyard (* or X, or 0). Altar of Dementia can be used to loop this combo, pulling out more big creatures, swarming the board with Insects using Izoni, Thousand-Eyed , or drawing and gaining life with Disciple of Bolas .

As the deck plays entirely from the graveyard, using dredge to draw, I'm trialling Possessed Portal for a Stax element. Whilst it's effect is symmetrical, dredge can replace its trigger to deny you your draw step, and discarding the dredge card to the Portal on your endstep stops it from eating up your permanents.

Any suggestions would be more than welcome!