Vraska, divine Gorgon

+2: If a creature with a -1/-1 counter dies this turn, draw a card.
-3: Put a petrification counter on target non-legendary creature. It becomes a 0/4 statue creature with defender and loses all abilities.
-9: Get an emblem with "Whenever one or more -1/-1 counters would be placed on a creature, poliferate." Vraska, divine Gorgon can be your commander