Sultai Arisen The ability to pull cards from your graveyard is inherently powerful and both commanders, Kotis, Sibsig Champion and Teval, the Balanced Scale let you do that every turn
If your deck does not have access to green, you might have to get more creative by using cards like Tithe, Pilgrims Eye, or even Demonic Tutor to put lands into your hand, cards like Mana Geyser, High Tide, or Caged Sun to get a big payoff, or mana rocks like Arcane Signet, Coalition Relic, and the Ravnica Signet cycle (Boros Signet, Izzet Signet, etc.) to speed things along at the risk of seeing them destroyed later
Once you get a couple on the board, it's trivial to start dishing out heavy damage - something you can increase by adding similar creatures like Firebrand Archer and Guttersnipe to the mix
is a Split Second piece of removal that can take care of any creature, but can occasionally deal with multiple creatures without being responded to
Getting an immediate 4/4 Lifelink with Vigilance for is already strong, but what really pushes Batterskull over the top is how difficult it is to answer cleanly
For the Starter card Lightning [19-138S], one of the cards will be a Full Art Premium Foil card