Genocide

When Genocide enter the battlefield choose a creature color or type . Genocide enter the battlefield with two killing markers
on it , at the begenning of your upkeep put a
killing markers on Genocide , at the end of your
turn destroy as much creature as
there are markers on the Genocide . When there
are no more creatures of the chosen type on the battlefield sacrifice Genocide.
{10}return Genocide from graveyard to your hand,
any player can play this capacity