Discard and disruption By attacking the opponents hand early, black can slow combo decks and remove key answers before they matter
Vault 12: The Necropolis Wasteland Raider Acquired Mutation Assaultron Dominator Bottle-Cap Blast Crimson Caravaneer Duchess, Wayward Tavernkeep Grim Reaper's Sprint Ian the Reckless Junk Jet Megaton's Fate The Motherlode, Excavator Mysterious Stranger Plasma Caster Powder Ganger Rose, Cutthroat Raider Synth Eradicator Thrill-Kill Disciple Vault 21: House Gambit Veronica, Dissident Scribe Wild Wasteland
Smirking Spelljacker There used to be a spot on this list for Draining Whelk, but even the sacred format of Commander has shifted towards leaner, faster games, and a 6-mana counterspell ain't cutting it, even if it comes in as a large flying creature
The few attempts they made at it had all done horribly, so the entire genre was written off
An employee could very easily pocket high value cards and just walk out of the store at the end of their shift
The thing is that you can combine madness with cycling, draw some cards, buyback it and kick it with enough mana, all at the same time