
Angel's Tomb | Artifact | | Whenever a creature enters the battlefield under your control, you may have Angel's Tomb become a 3/3 white Angel artifact creature with flying until end of turn. | Dan Scott

Brawler's Plate | Artifact | Equipment | Equipped creature gets +2/+2 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.) | Jung Park

Chief of the Foundry | Artifact Creature | Construct | Other artifact creatures you control get +1/+1. | Daniel Ljunggren

Gold-Forged Sentinel | Artifact Creature | Chimera | Flying | James Zapata

Jayemdae Tome | Artifact | | {4}, {T}: Draw a card. | Donato Giancola

Meteorite | Artifact | | When Meteorite enters the battlefield, it deals 2 damage to any target.
{T}: Add one mana of any color. | Scott Murphy

Prism Ring | Artifact | | As Prism Ring enters the battlefield, choose a color.
Whenever you cast a spell of the chosen color, you gain 1 life. | Daniel Ljunggren

Ramroller | Artifact Creature | Juggernaut | Ramroller attacks each combat if able.
Ramroller gets +2/+0 as long as you control another artifact. | Craig J Spearing

Runed Servitor | Artifact Creature | Construct | When Runed Servitor dies, each player draws a card. | Mike Bierek

Sigil of Valor | Artifact | Equipment | Whenever equipped creature attacks alone, it gets +1/+1 until end of turn for each other creature you control.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) | Dan Scott
1.5 LSV

Throwing Knife | Artifact | Equipment | Equipped creature gets +2/+0.
Whenever equipped creature attacks, you may sacrifice Throwing Knife. If you do, Throwing Knife deals 2 damage to any target.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) | Mathias Kollros

War Horn | Artifact | | Attacking creatures you control get +1/+0. | Lars Grant-West