In a format with fetchlands and cheap interaction, which is the foundation of Modern and Legacy, theres probably no safe Delve, but Im glad Wizards tested the boundaries with Treasure Cruise
You can't add Snow-Covered Wastes to your card pool in the same way that you can add other basic lands
Typically, sources of red card draw will either come with the downside of forcing you to discard cards from your hand, or by exiling cards from the top of your library instead and only allowing you one or two turns to cast them
Obuun, Mul Daya Ancestor has made less of an impact, as there are generally more interesting and powerful commanders in their colors
Brawl Not Legal Vintage Banned Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Banned Penny Not Legal Sentinel Dispatch Conspiracy (Start the game with this conspiracy face up in the command zone.) At the beginning of the first upkeep, create a 1/1 colorless Construct artifact creature token with defender