Undead Altrazian

Captain - This card must be your commander. Before the game starts, chose a color. This card's color identity is also that of the chosen color.

Eminence - All your Swamps also produces mana of the chosen color. You can cast creatures from your graveyard. Creatures you cast from the graveyard are exiled at the end step.

{p/b}{p/b}{p/b}, {t}: Target creature gets Infect until the end step.

Deathtouch