Weapons Manufacturing

Whenever a nontoken artifact you control enters, create a colorless artifact token named Munitions with "When this token leaves the battlefield, it deals 2 damage to any target."

Food Fight

Artifacts you control have "{2}, Sacrifice this artifact: It deals damage to any target equal to 1 plus the number of permanents named Food Fight you control."

Academy Manufactor

If you would create a Clue, Food, or Treasure token, instead create one of each.

Vaevictis Asmadi, the Dire

Flying
Whenever Vaevictis Asmadi attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card.

Rust Harvester

Menace
{2}, {T}, Exile an artifact card from your graveyard: Put a +1/+1 counter on this creature, then it deals damage equal to its power to any target.

Legion Extruder

When this artifact enters, it deals 2 damage to any target.
{2}, {T}, Sacrifice another artifact: Create a 3/3 colorless Golem artifact creature token.

Clockwork Percussionist

Haste
When this creature dies, exile the top card of your library. You may play it until the end of your next turn.

Chandra, Spark Hunter

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste.
+2: You may sacrifice an artifact or discard a card. If you do, draw a card.
0: Create a 3/2 colorless Vehicle artifact token with crew 1.
−7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."