Oasis Gardener

Artifact Creature — Scarecrow (2/2)

When Oasis Gardener enters the battlefield, you gain 2 life.
: Add one mana of any color.

Omega Myr

Artifact Creature — Myr (1/2)

One-Eyed Scarecrow

Artifact Creature — Scarecrow (2/3)

Defender
Creatures with flying your opponents control get -1/-0.

Onulet

Artifact Creature — Construct (2/2)

When Onulet dies, you gain 2 life.

Opaline Unicorn

Artifact Creature — Unicorn (1/2)

: Add one mana of any color.

Ornithopter of Paradise

Artifact Creature — Thopter (0/2)

Flying
: Add one mana of any color.

Palladium Myr

Artifact Creature — Myr (2/2)

: Add .

Paper Tiger

Artifact Creature — Cat (4/3)

Creatures named Rock Lobster can't attack or block.

Papercraft Decoy

Artifact Creature — Frog (2/1)

When Papercraft Decoy leaves the battlefield, you may pay . If you do, draw a card.

Paragon of Modernity

Artifact Creature — Angel Warrior (2/2)

Flying
: Paragon of Modernity gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead.

Patagia Golem

Artifact Creature — Golem (2/3)

: Patagia Golem gains flying until end of turn.

Patchwork Automaton

Artifact Creature — Construct (1/1)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Whenever you cast an artifact spell, put a +1/+1 counter on Patchwork Automaton.

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.

Peace Strider

Artifact Creature — Construct (3/3)

When Peace Strider enters the battlefield, you gain 3 life.

Phyrexian Dragon Engine

Artifact Creature — Phyrexian Dragon (2/2)

Double strike
When Phyrexian Dragon Engine enters the battlefield from your graveyard, you may discard your hand. If you do, draw three cards.
Unearth
(Melds with Mishra, Claimed by Gix.)

Pierce Strider

Artifact Creature — Phyrexian Construct (3/3)

When Pierce Strider enters the battlefield, target opponent loses 3 life.

Pilgrim's Eye

Artifact Creature — Thopter (1/1)

Flying
When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Pili-Pala

Artifact Creature — Scarecrow (1/1)

Flying
, : Add one mana of any color. ( is the untap symbol.)

Pillar of War

Artifact Creature — Golem (3/3)

Defender
As long as Pillar of War is enchanted, it can attack as though it didn't have defender.

Prismite

Artifact Creature — Golem (2/1)

: Add one mana of any color.