Ashnod's Altar

Ashnod's Battle Gear

You may choose not to untap this artifact during your untap step.
{2}, {T}: Target creature you control gets +2/-2 for as long as this artifact remains tapped.

Circle of Protection: Artifacts

{2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

Ashnod's Transmogrant

{T}, Sacrifice this artifact: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

Battering Ram

At the beginning of combat on your turn, this creature gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat.

Candelabra of Tawnos

Clay Statue

Clockwork Avian

Flying
This creature enters with four +1/+0 counters on it.
At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep.

Colossus of Sardia

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature doesn't untap during your untap step.
{9}: Untap this creature. Activate only during your upkeep.

Coral Helm

{3}, Discard a card at random: Target creature gets +2/+2 until end of turn.

Cursed Rack

As this artifact enters, choose an opponent.
The chosen player's maximum hand size is four.

Dragon Engine

{2}: This creature gets +1/+0 until end of turn.

Damping Field

Players can't untap more than one artifact during their untap steps.

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Golgothian Sylex

{1}, {T}: Each nontoken permanent with a name originally printed in the Antiquities expansion is sacrificed by its controller.

Grapeshot Catapult

{T}: This creature deals 1 damage to target creature with flying.