Cast Down

Chromatic Star

{1}, {T}, Sacrifice this artifact: Add one mana of any color.
When this artifact is put into a graveyard from the battlefield, draw a card.

Makeshift Munitions

{1}, Sacrifice an artifact or creature: This enchantment deals 1 damage to any target.

Atog

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Seat of the Synod

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Galvanic Blast

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Phyrexian Walker

Vault of Whispers

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Wedding Invitation

When this artifact enters, draw a card.
{T}, Sacrifice this artifact: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.

Silverbluff Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {R}.

Relic of Progenitus

{T}: Target player exiles a card from their graveyard.
{1}, Exile this artifact: Exile all graveyards. Draw a card.

Disciple of the Vault

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

Shenanigans

Destroy target artifact.
Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)

Myr Enforcer

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Darksteel Citadel

Mistvault Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {B}.

Drossforge Bridge

This land enters tapped.
Indestructible
{T}: Add {B} or {R}.

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Deadly Dispute

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Welding Jar

Sacrifice this artifact: Regenerate target artifact.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.