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

Homunculus Servant — When this creature enters, put three +1/+1 counters on up to one target noncreature artifact. That artifact becomes a 0/0 Homunculus artifact creature with flying.

{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.

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.")

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

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.

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

{T}: Add {W}.

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

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

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

{T}: Add {U}.

{T}: Add {B}.