Krenko, Baron of Tin Street

Haste
{T}, Sacrifice an artifact: Put a +1/+1 counter on each Goblin you control.
Whenever an artifact is put into a graveyard from the battlefield, you may pay {R}. If you do, create a 1/1 red Goblin creature token. It gains haste until end of turn.

Murders at Karlov Manor

Murders at Karlov Manor Promos

If Krenko, Baron of Tin Street dies at the same time as one or more artifacts are put into a graveyard from the battlefield, its last ability will still trigger for each of those artifacts.