matte black card sleeves PRO-Matte Standard Deck Protector - (200-Pack) - Ultra Pro Sleeves durability and easy mixing Ultimate Guard: Japanese Size -

Many viable Rakdos Commanders are available due to a large card pool, each with pros and cons for deck construction

Type: Null (Crimson Blaze) is not available in Regular Packs

From there work through your deck for some way to either remove your deck with a card like Tainted Pact, or mill yourself with Brain Freeze and win off a Laboratory Maniac

When your opponent draws the face-up card, immediately send it to the Graveyard

Its also just solid disruption against cards you know your opponent is likely to have, like Fatal Push or Solitude

Plus, its almost free to add to a deck that requires key threats to be protected from spot removal, so your commander gets harder to kill if you have a few untapped creatures laying around