V1, One Machine Army

Lifelink, First Strike, Haste
{2}Put a coin counter on V1. Max of 4.
Whenever V1 deals damage, double it for each
coin counter.
At the end of combat, remove all coin counters
from V1
Whenever another creature dies, put a +1/+1
counter on V1
Mankind is dead, Blood is fuel, Hell is full.