Locthwain Gargoyle

Artifact Creature — Gargoyle (0/3)

: Locthwain Gargoyle gets +2/+0 and gains flying until end of turn.

Mana Cylix

Artifact

, : Add one mana of any color.

Mana Screw

Artifact

: Flip a coin. If you win the flip, add . Activate only as an instant.

Mana Vault

Artifact

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
: Add .

Metallic Sliver

Artifact Creature — Sliver (1/1)

Myr Mindservant

Artifact Creature — Myr (1/1)

, : Shuffle your library.

Myr Moonvessel

Artifact Creature — Myr (1/1)

When Myr Moonvessel dies, add .

Neglected Heirloom // Ashmouth Blade

Artifact — Equipment // Artifact — Equipment

Equipped creature gets +1/+1.
When equipped creature transforms, transform Neglected Heirloom.
Equip

Ashmouth Blade

Equipped creature gets +3/+3 and has first strike.
Equip

Oathkeeper, Takeno's Daisho

Legendary Artifact — Equipment

Equipped creature gets +3/+1.
Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card.
When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield, exile equipped creature.
Equip

Peregrine Mask

Artifact — Equipment

Equipped creature has defender, flying, and first strike.
Equip

Portal to Phyrexia

Artifact

When Portal to Phyrexia enters the battlefield, each opponent sacrifices three creatures.
At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.

Profane Memento

Artifact

Whenever a creature card is put into an opponent's graveyard from anywhere, you gain 1 life.

Prosthetic Injector

Artifact — Equipment

Equipped creature gets +0/+2 and has toxic 1. (Players dealt combat damage by equipped creature also get a poison counter.)
Equip

Pyramid of the Pantheon

Artifact

, : Add one mana of any color. Put a brick counter on Pyramid of the Pantheon.
: Add three mana of any one color. Activate only if there are three or more brick counters on Pyramid of the Pantheon.

Razorgrass Screen

Artifact Creature — Wall (2/1)

Defender (This creature can't attack.)
Razorgrass Screen blocks each combat if able.

Robo-

Artifact Creature — Construct (1/1)

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,
Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Roterothopter

Artifact Creature — Thopter (0/2)

Flying
: Roterothopter gets +1/+0 until end of turn. Activate no more than twice each turn.

Runed Stalactite

Artifact — Equipment

Equipped creature gets +1/+1 and is every creature type.
Equip

Silver-Inlaid Dagger

Artifact — Equipment

Equipped creature gets +2/+0.
As long as equipped creature is a Human, it gets an additional +1/+0.
Equip

Slayer's Bounty

Legendary Artifact — Clue

When Slayer's Bounty enters the battlefield, look at the creature cards in target opponent's hand.
Whenever you sacrifice Slayer's Bounty or another Clue, draft a card from Slayer's Bounty's spellbook.
, Sacrifice Slayer's Bounty: Draw a card.