Sharmazir, Lord of Balaya

When Sharmazir, Lord of Balaya is cast, each player selects one creature and sacrifices the rest. You gain life equal to the amount of creatures sacrificed this way.
{u}{b}{t}: Create a 2/2 Horror Wizard token.
At the beginning of each turn, sacrifice a creature. If you can't, Sharmazir, Lord of Balaya deals 7 damage to you.