Maddening Cacophony Another card that seems designed to allow mill to keep up in the 4-player, 100-card world of Commander, Maddening Cacophony can get the majority of your opponents cards into the graveyard all by itself

Ash Barrens Cycling Lands CI: Colorless MP: Colorless Fetches Ash Barrens Cycling Lands CI: Colorless MP: Colorless Fetches Blasted Landscape Cycling Lands CI: Colorless MP: Colorless Blasted Landscape Cycling Lands CI: Colorless MP: Colorless Secluded Steppe Cycling Lands CI: Monocolor CI: White MP: Monocolor ETB Tapped Secluded Steppe Cycling Lands CI: Monocolor CI: White MP: Monocolor ETB Tapped Drifting Meadow Cycling Lands CI: Monocolor CI: White MP: Monocolor ETB Tapped Drifting Meadow Cycling Lands CI: Monocolor CI: White MP: Monocolor ETB Tapped Lonely Sandbar Cycling Lands CI: Monocolor CI: Blue MP: Monocolor ETB Tapped Lonely Sandbar Cycling Lands CI: Monocolor CI: Blue MP: Monocolor ETB Tapped Remote Isle Cycling Lands CI: Monocolor CI: Blue MP: Monocolor ETB Tapped Remote Isle Cycling Lands CI: Monocolor CI: Blue MP: Monocolor ETB Tapped Barren Moor Cycling Lands CI: Monocolor CI: Black MP: Monocolor ETB Tapped Barren Moor Cycling Lands CI: Monocolor CI: Black MP: Monocolor ETB Tapped Polluted Mire Cycling Lands CI: Monocolor CI: Black MP: Monocolor ETB Tapped Polluted Mire Cycling Lands CI: Monocolor CI: Black MP: Monocolor ETB Tapped Forgotten Cave Cycling Lands CI: Monocolor CI: Red MP: Monocolor ETB Tapped Forgotten Cave Cycling Lands CI: Monocolor CI: Red MP: Monocolor ETB Tapped Smoldering Crater Cycling Lands CI: Monocolor CI: Red MP: Monocolor ETB Tapped Smoldering Crater Cycling Lands CI: Monocolor CI: Red MP: Monocolor ETB Tapped Tranquil Thicket Cycling Lands CI: Monocolor CI: Green MP: Monocolor ETB Tapped Tranquil Thicket Cycling Lands CI: Monocolor CI: Green MP: Monocolor ETB Tapped Slippery Karst Cycling Lands CI: Monocolor CI: Green MP: Monocolor ETB Tapped Slippery Karst Cycling Lands CI: Monocolor CI: Green MP: Monocolor ETB Tapped

Turn four - I drew enough stuff to keep up the discarding pressure
We have plenty of token doublers, as well as cards that give you the token plus some other token
Walls share several characteristics: They universally have defender, which prevents them from attacking, and almost all walls have higher toughness than power
After all, assuming Teferi doesn't count as a black creature, race and the color of a creature are entirely different aspects