Greedgear, Gearsmoke Sheriff

Menace, Trample, Ward — Pay 5 life.
Whenever Greedgear attacks you may sacrifice
another creature or artifact, if you do create a
tapped bullet token and draw a card.
Whenever you sacrifice a creatures or artifacts put
a +1/+1 counter on Greedgear and it
deals 1 damage to each opponent.