Cast Flame Jab from your graveyard by paying {R} and discarding Dakmor Salvage.
Runaway Steam-Kin and Moonveil Regent trigger.
Resolve the Runaway Steam-Kin trigger, putting a +1/+1 counter on it.
Resolve the Moonveil Regent trigger, causing you to discard your hand, mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve Flame Jab, dealing 1 damage to any target.
Repeat two additional times.
Activate Runaway Steam-Kin by removing three +1/+1 counters from it, adding {R}{R}{R}.
Repeat.

Infinite self-discard triggers

Infinite self-mill

Near-infinite damage

Near-infinite magecraft triggers

Near-infinite storm count

Moonveil Regent

Flame Jab

Dakmor Salvage

Runaway Steam-Kin

Cast Flame Jab from your graveyard by paying {R} and discarding Dakmor Salvage.
Birgi and Moonveil Regent trigger.
Resolve the Birgi trigger, adding {R}.
Resolve the Moonveil Regent trigger, causing you to discard your hand, mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve Flame Jab, dealing 1 damage to any target.
Repeat.

Birgi, God of Storytelling // Harnfel, Horn of Bounty

Cast Raven's Crime from your graveyard by paying {B} and discarding Dakmor Salvage, targeting any player.
Bone Miser's second ability and Moonveil Regent's first ability trigger.
Resolve the Bone Miser trigger, adding {B}{B}.
Resolve the Moonveil Regent trigger, causing you to discard your hand, then mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve Raven's Crime, causing target player to discard a card.
Repeat.

Near-infinite black mana

Near-infinite self-discard triggers

Raven's Crime

Bone Miser

Cast Psychic Miasma by paying {1}{B}, targeting yourself.
Moonveil Regent's first ability triggers, causing you to discard your hand, then mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve Psychic Miasma, discarding Dakmor Salvage and returning Psychic Miasma to your hand.
Bone Miser's second ability triggers, adding {B}{B}.
Repeat.

Psychic Miasma

Cast Flame Jab from your graveyard by paying {R} and discarding Dakmor Salvage.
Storm-Kiln Artist and Moonveil Regent trigger.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve the Moonveil Regent trigger, causing you to discard your hand, mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve Flame Jab, dealing 1 damage to any target.
Activate the Treasure by tapping and sacrificing it, adding {R}.
Repeat.

Combos with "Moonveil Regent"