vampire deck mtg commander Elite - Edgar Markov - Mardu Black Red White - EDH cEDH - 100 Card - Custom Deck Vampire tribal Welcoming Vampire - Commander: The

The additional mana is produced by Kinnan, not by the nonland permanent that you tapped for mana

You can run Roshan, Hidden Magister to increase your count with other good black creatures or run mono-black shapeshifters like Changeling Outcast or the Shapeshifter tokens from Black Market Connections

Your biggest problem will be defending Teval, who has no protection against removal, will suffer when cards are exiled, and who must constantly jump into the fray of battle

Well have to see how it plays out, but in my mind

Your online store won't have feedback or recommendations, so you'll have to compete on the basis of price

I've also won with a graveyard deck by attacking with Kessig Cagebreakers by creating a mess of 2/2 Wolf tokens