At the beginning of your upkeep, you may put a charge counter on Golden Urn.
, Sacrifice Golden Urn: You gain life equal to the number of charge counters on Golden Urn.

: Target artifact creature gets +1/+1 until end of turn.
: Target artifact creature gains your choice of flying, trample, or haste until end of turn.

Whenever you cast an artifact spell, you may put a charge counter on Golem Foundry.
Remove three charge counters from Golem Foundry: Create a 3/3 colorless Golem artifact creature token.

Whenever a player casts an artifact spell, you may gain 1 life.

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.
Equip

Other blue creatures you control get +1/+1.
: Target artifact creature becomes blue until end of turn.
Tap an untapped blue creature you control: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

Target creature gets -4/-4 until end of turn.

: Put a charge counter on Grindclock.
: Target player mills X cards, where X is the number of charge counters on Grindclock.

Counter target artifact spell.
Draw a card.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Other creatures you control with infect get +1/+1.
Whenever you cast a creature spell with infect, target player gets a poison counter.

Equipped creature doesn't untap during its controller's untap step.
Equipped creature has ": This creature deals 2 damage to any target."
Equip

Flying
: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's converted mana cost.

, , Sacrifice Horizon Spellbomb: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.
When Horizon Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Ichor Rats enters the battlefield, each player gets a poison counter.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Flying
Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever equipped creature becomes blocked by a creature, you may draw two cards.
Equip

Put a -1/-1 counter on target creature.
Draw a card.

: Add .