Makeshift Munitions

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

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.")

Darksteel Citadel

Red Elemental Blast

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

Vault of Whispers

Great Furnace

Terrarion

This artifact enters tapped.
{2}, {T}, Sacrifice this artifact: Add two mana in any combination of colors.
When this artifact is put into a graveyard from the battlefield, draw a card.

Swamp

Drossforge Bridge

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

Frogmite

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

Myr Enforcer

Ichor Wellspring

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

Galvanic Blast

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

Gorilla Shaman

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Silverbluff Bridge

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

Fiery Cannonade

Fiery Cannonade deals 2 damage to each non-Pirate creature.

Mistvault Bridge

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

Experimental Synthesizer

When this artifact enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
{2}{R}, Sacrifice this artifact: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Blood Fountain

When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")
{3}{B}, {T}, Sacrifice this artifact: Return up to two target creature cards from your graveyard to your hand.

Chainer's Edict

Target player sacrifices a creature of their choice.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.

Krark-Clan Shaman

Sacrifice an artifact: This creature deals 1 damage to each creature without flying.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Reckoner's Bargain

As an additional cost to cast this spell, sacrifice an artifact or creature.
You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)