Dark Jaeger, Mobile Factory

Whenever an artifact you control dies, create a 0/0 construct token with " This creature gets +1/+1 for each artifact you control."
{u/b}{w/b}Sacrifice an artifact: Add {c}{c} to your mana pool, then lose 1 life.
{w/b}{w/u}Sacrifice an artifact: Take target artifact card from your graveyard and put it into your hand. Lose 1 life.