Metalcraft - : Add one mana of any color to your mana pool. Activate this ability only if you control three or more artifacts.

, Tap an untapped creature you control: Add one mana of any color to your mana pool.

: Add to your mana pool.
: Inkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying and infect until end of turn. It's still a land.

Equipped creature gets +1/+0 for each artifact you control.
: Attach Cranial Plating to target creature you control.
Equip

(Seat of the Synod isn't a spell.)
: Add to your mana pool.

Affinity for artifacts
Draw two cards.

Tap target creature.
Metalcraft - If you control three or more artifacts, exile that creature.

( can be paid with either or 2 life.)
Flying
Lifelink

Battle cry
Signal Pest can't be blocked except by creatures with flying or reach.

Affinity for artifacts

(Vault of Whispers isn't a spell.)
: Add to your mana pool.

(Ancient Den isn't a spell.)
: Add to your mana pool.

Metalcraft - Etched Champion has protection from all colors as long as you control three or more artifacts.

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle your library.
, : You may put an Equipment card from your hand onto the battlefield.

Creature cards can't enter the battlefield from graveyards or libraries.
Players can't cast cards in graveyards or libraries.

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Counter target noncreature spell unless its controller pays .

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

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.