What strategies and cards should I consider when building a powerful MTG Edgar Markov deck?

When building a powerful MTG Edgar Markov deck, consider including cards that focus on vampire tribal synergies, such as Bloodline Keeper, Captivating Vampire, and Vampire Nocturnus. Additionally, include cards that generate tokens quickly, like Anointed Procession and Sorin, Imperious Bloodlord. Utilize cards that provide card advantage and removal, such as Phyrexian Arena and SWords to Plowshares. Lastly, include mana ramp cards like Sol Ring and Arcane Signet to ensure you can cast your spells efficiently.