1 Blasphemous Act Is the Best Board Wipe Since It's Often So Cheap Black and white mana are the main board wipe color with cards like Damnation and Farewell, but it's actually red mana that has the format's most widely used and popular board wipe, Blasphemous Act
The Common Sideboard Options Strengths: Answers planeswalkers, big tempo advantage Weaknesses: Feather, the Redeemed
But aside from just including cards that venture into the dungeon, you want to make use of Barrowin of Clan Undurrs second ability to reanimate creatures with mana value three or less
This is especially true in cEDH, where this card looks like an absolute slam-dunk
Chromium has the keyword "Rampage 2", which means that Chromium gets +2/+2 for every creature after the first that blocks it in combat
This creature enables you to build your board state of evasive rogues, draw cards, and keep the mill flowing