forgotten realms mtg commander decks Magic: The Gathering Adventures in The Deck – Dungeons of Death (White-Blue-Black) D spells and monsters and incredible booster fun treatments highlighting classic D Adventures in the Forgotten Realms

You can certainly play a mono-color deck

You don't have to add four copies of each card to your deck though, and sometimes it's beneficial to have fewer copies and make room for other important cards

It falls into the category of final tweaks where Im concerned

Search for Dagger (Borderless) (FIC-459) - Commander: FINAL FANTASY Foil Wizards of the Coast Rare null/null Whenever your commander enters or attacks, look at the top six cards of your library

It's one thing to stop your opponent's game plan by efficiently reacting to their plays, it's another entirely to just stop them from being able to play the game in the first place