Azralith, the Death Leyline

Vigilance, Lifelink
Pay 4 Life: Create a Legendary leyline artifact
token with 'At the beginning of your upkeep
you gain 1 life, your opponent loses 1 life'
{2}{w/b}{t}:Sacrifice another creature, Create
a copy of a copy of target artifact except the
copy isn't legendary.
Turning life into death and death into energy.