Nurgle, father of all

1. do effects 2, 3, 4, and 5 and each opponent gains a poison counter.
2. Each creature opponents control gain -1/-1 counter.
3. Proliferate all counters.
4. Each opponent May remove as many counters as they please at the cost of five life per counter.
5. Nurgle gains 5 life for each opponent's counters.
6. no effect.