Eldrazi Berserker

When Eldrazi Berserker enters the battlefield,
roll your life counter die. Sacrifice {x}
permanents, where {x} is what you rolled -8.
Haste, Flash, Hexproof
Eldrazi Berserker cannot be blocked.
When this card attacks, Bolster 3. (Choose a
creature with the least toughness or tied with the least toughness among creatures you control and put 3
+1/+1 counters on it.)