Oksani, Goddess of Chaos

Indestructible, Prowess.
Oksani, Goddess of Chaos enters the battlefield
with X +1/+1 counters on it.
At the beginning of your upkeep, roll a 6 sided
dice and place that many counters on Oksani,
Goddess of Chaos.
Whenever Oksani, God of Chaos attacks, roll a
6 sided dice and remove that many counters from Oksani, Goddess of Chaos.