The Gitrog Monster and Bone Miser on the battlefield.
({1} magic symbol) ({B} magic symbol) available.
Steps
Cast Psychic Miasma by paying ({1} magic symbol) ({B} magic symbol) , discarding Dakmor Salvage and returning Psychic Miasma to your hand.
The Gitrog Monster and Bone Miser's second ability trigger.
Resolve the Bone Miser trigger, adding ({B} magic symbol) ({B} magic symbol) .
Resolve the Gitrog Monster trigger, allowing you to draw a card, but instead replace drawing a card with milling two cards, and returning Dakmor Salvage from your graveyard to your hand.