Visions of Decay

Does the following, in order:
•Gives a random creature on the stack 0/-1.
Does this until a creature reaches 0 Toughness.
•Deals 1 damage to ALL creatures until one
of them dies.
•Equalize all creatures' stats to their weaker one
and remove their abilities.
{bull}Each player sacrifices one of their creatures.
At the start of your next turn, revert back all
effects of this card.