Xeliz, the Risen Horror

Xeliz, the Risen Horror enters the battlefield with X +1/+1 counters, then if X
is 5 or more, destroy all other creatures.
When Xeliz, the Risen Horror dies, put X
2/2 black horror artifact creature tokens
onto the battlefield, and you lose X life
where X is the number of +1/+1 counters
on the card.