The Brothers' War Retro Artifacts

Adaptive Automaton | Artifact Creature | Construct | As Adaptive Automaton enters the battlefield, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1. | Igor Kieryluk

Ashnod's Altar | Artifact | | Sacrifice a creature: Add {C}{C}. | Greg Staples

Chromatic Lantern | Artifact | | Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color. | Jung Park

Cloud Key | Artifact | | As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast. | Trevor Hairsine

Inspiring Statuary | Artifact | | Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.) | Kirsten Zirngibl

Quietus Spike | Artifact | Equipment | Equipped creature has deathtouch. Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up. Equip {3} | Mark Brill

Scrap Trawler | Artifact Creature | Construct | Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value. | Daarken

Sculpting Steel | Artifact | | You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield. | Heather Hudson

Semblance Anvil | Artifact | | Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast. | Dan Scott