As long as Martyrs of Korlis is untapped, all damage that would be dealt to you by artifacts is dealt to Martyrs of Korlis instead.

Attacking creatures get +1/+0.

, : Target player mills two cards.

: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

: Add . Spend this mana only to cast artifact spells.

, : Return target permanent you both own and control to your hand.

When Onulet dies, you gain 2 life.

, Sacrifice an artifact: Orcish Mechanics deals 2 damage to any target.

Flying

You may choose not to untap Phyrexian Gremlins during your untap step.
: Tap target artifact. It doesn't untap during its controller's untap step for as long as Phyrexian Gremlins remains tapped.

Enchant artifact
Enchanted artifact's activated abilities cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without in its activation cost, you gain 1 life.

, Sacrifice an artifact: Add an amount of equal to the sacrificed artifact's converted mana cost.

As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifact creature with defender in addition to its other types. (A creature with defender can't attack.)

: Prevent the next 1 damage that would be dealt to any target this turn. Return Rakalite to its owner's hand at the beginning of the next end step.

Return target artifact card from your graveyard to your hand.

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate this ability only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

, Sacrifice an artifact: Draw a card.