brothers war mtg commander deck Magic: The Gathering The Brothers' Retro-Frame Mishra, Eminent One | The

Legendary horrors, nightmares, demons, and spirits are a good place to start, followed by anything from Magic sets that take place on planes like Innistrad and Duskmourn

Resourceful Defense is a pretty cool but narrow card, but Bane of Progress, Walking Ballista, and Damning Verdict are all pretty useful Commander cards

Expect to encounter Borderless Vault Boy Cards, Showcase Pip-Boy Frames, Serialized Bobblehead cards, Rares and/or Mythics, Traditional Foils and Extended-Art cards

They mentioned during the stream that an errata-ed card is a different thing entirely from using cards no longer in rotation for Core Constructed