Yawgmoth, The Black God

Infect, Protection from White
When Yawgmoth, The Black God is cast gained control of all planeswalkers and creatures both on the field and in the graveyard. All other creatures grain infect and lose all abilities. All other creatures gets -4/-4
{b}{p/b}{p/b}{x}:Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.