Masterwork of Ingenuity

Artifact — Equipment

You may have Masterwork of Ingenuity enter the battlefield as a copy of any Equipment on the battlefield.

Metallic Sliver

Artifact Creature — Sliver (1/1)

Mirror Box

Artifact

The "legend rule" doesn't apply to permanents you control.
Each legendary creature you control gets +1/+1.
Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

Mirror Mirror

Artifact

Mirror Mirror enters the battlefield tapped.
, , Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

Moonring Mirror

Artifact

Whenever you draw a card, exile the top card of your library face down.
At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Moonring Mirror into your hand.

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

Pattern Matcher

Artifact Creature — Golem (3/3)

When Pattern Matcher enters the battlefield, you may search your library for a card with the same name as another creature you control, reveal it, put it into your hand, then shuffle.

Peregrine Mask

Artifact — Equipment

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

Prism Ring

Artifact

As Prism Ring enters the battlefield, choose a color.
Whenever you cast a spell of the chosen color, 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.

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

Sai of the Shinobi

Artifact — Equipment

Equipped creature gets +1/+1.
Whenever a creature enters the battlefield under your control, you may attach Sai of the Shinobi to it.
Equip

Sarevok's Tome

Artifact

When Sarevok's Tome enters the battlefield, you take the initiative.
: Add . If you have the initiative, add instead.
, : Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.

Shell of the Last Kappa

Legendary Artifact

, : Exile target instant or sorcery spell that targets you. (The spell has no effect.)
, , Sacrifice Shell of the Last Kappa: You may cast a spell from among cards exiled with Shell of the Last Kappa without paying its mana cost.

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