Activate Krark-Clan Ironworks by sacrificing any nontoken artifact creature, adding {C}{C}.
When the creature dies, Nim Deathmantle triggers, causing you to pay {4} to return the creature from your graveyard to the battlefield.
When the creature enters, Weapons Manufacturing triggers, creaitng a Munitions token.
Activate Krark-Clan Ironworks by sacrificing the Munitions token, adding {C}{C}.
The Munitions tokens triggers, dealing 2 damage to any target.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite damage

Nim Deathmantle

Krark-Clan Ironworks

Weapons Manufacturing

Cast Sword of the Meek by paying {2}.
When Sword of the Meek enters the battlefield, Weapons Manufacturing triggers.
Holding priority, activate Krark-Clan Ironworks by sacrificing Sword of the Meek.
Resolve the Weapons Manufacturing trigger, creating a Munitions artifact token and a 1/1 Thopter artifact creature token.
When the Thopter enters the battlefield, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Thopter.
Repeat from step 2.

Infinite colorless mana

Infinite creature tokens

Infinite Munitions tokens

Sword of the Meek

Stridehangar Automaton

Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Diving Top on top of your library.
Cast Sensei's Divining Top from the top of your library by paying {1}.
When Sensei's Divining Top enters the battlefield, Weapons Manufacturing triggers, creating a Munitions token.
Activate the Munitions token by tapping it, adding {U} that can only be spent to cast spells from anywhere except your hand.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite storm count

Near-infinite tapped Munitions tokens

Mm'menon, the Right Hand

Sensei's Divining Top

Activate Salvaging Station by tapping it, returning the noncreature artifact with mana value 1 or less from your graveyard to the battlefield.
When the noncreature artifact enters the battlefield, Weapons Manufacturing triggers, creating a Munitions artifact token.
Activate Clock of Omens by tapping the noncreature artifact returned in step 1 and the Munitions token, untapping Salvaging Station.
Activate Krark-Clan Ironworks by sacrificing the noncreature artifact.
Repeat.

Noncreature Artifact with MV<=1

Salvaging Station

Clock of Omens

Cast Cauldron Familiar by paying {B}.
When Cauldron Familiar enters, it and Weapons Manufacturing trigger.
Resolve the Cauldron Familiar trigger, causing each opponent to lose 1 life and you to gain 1 life.
Resolve the Weapons Manufacturing trigger, creating a Munitions artifact token.
Activate Bartolomé del Presidio by sacrificing Cauldron Familiar.
Activate Cauldron Familiar by sacrificing the Munitions, as it is a Food due to Ragost.
The Munitions triggers, dealing 2 damage to any target.
Resolve the Cauldron Familiar ability, returning it from your graveyard to the battlefield.
Repeat from step 2.

Infinite lifegain triggers

Infinite lifegain

Infinite lifeloss

Infinite +1/+1 counters on Bartolomé del Presidio

Cauldron Familiar

Ragost, Deft Gastronaut

Bartolomé del Presidio

Mycosynth Lattice

Cast Forsaken Miner by paying {B}.
When Forsaken Miner enters, Weapons Manufacturing triggers.
Holding priority, activate Phyrexian Altar by sacrificing Forsaken Miner, adding {B}.
Resolve the Weapons Manufacturing trigger, creating a Munitions token.
The Munitions token enters and dies as a state-based action due to having 0 toughness, triggering its ability, targeting an opponent or a permanent an opponent controls.
When you commit that crime, Forsaken Miner triggers, causing you to pay {B} to return it from your graveyard to the battlefield.
Repeat from step 2.
Resolve all Munitions abilities, dealing infinite damage to opponents and/or permanents opponents control.

Forsaken Miner

Phyrexian Altar

March of the Machines

Encroaching Mycosynth

Combos with "Weapons Manufacturing"