Whenever Piper Wright deals combat damage to a player, investigate that many times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, put a +1/+1 counter on target creature you control.

Vigilance, ward

: Another target creature you control gains protection from the card type of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that type.)

Partner with Toothy, Imaginary Friend (When this creature enters the battlefield, target player may put Toothy into their hand from their library, then shuffle.)

If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.

You may have Pirated Copy enter the battlefield as a copy of any creature on the battlefield, except it's a Pirate in addition to its other types and it has "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card."

Defender

As long as you've cast an instant or sorcery spell this turn, Piston-Fist Cyclops can attack as though it didn't have defender.

When Pit Keeper enters the battlefield, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Whenever Pit Scorpion deals damage to a player, that player gets a poison counter. <I>(A player with ten or more poison counters loses the game.)</I>

When Pitchburn Devils dies, it deals 3 damage to any target.

( can be paid with either or 2 life.)

When Pith Driller enters the battlefield, put a -1/-1 counter on target creature.

At the beginning of your upkeep, you lose 2 life.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

, Sacrifice another creature: Pitiless Pontiff gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Up to three target creatures gain flying until end of turn. (Then exile this card. You may cast the creature later from exile.)

Kicker (You may pay an additional as you cast this spell.)

Flying

If Pixie Illusionist was kicked, it enters the battlefield with two +1/+1 counters on it.

: Target land you control becomes the basic land type of your choice until end of turn.

Vigilance

, Exile Placid Rottentail from your graveyard: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Menace

When Plague Belcher enters the battlefield, put two -1/-1 counters on target creature you control.

Whenever another Zombie you control dies, each opponent loses 1 life.

Flying

Rot Fly — If an opponent would gain life, that player loses that much life instead.

Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays .

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

: Add .

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

All Slivers have "At the beginning of your upkeep, this permanent deals 1 damage to you."

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

, , Discard a card: Target creature gets -1/-1 until end of turn.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Flying

Whenever Planar Ally attacks, venture into the dungeon. (Enter the first room or advance to the next room.)

: You may put a planeswalker card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

You may play an additional land this turn. (Then exile this card. You may cast the creature later from exile.)

Tap X target creatures. They don't untap during their controllers' next untap steps. (Then exile this card. You may cast the creature later from exile.)

, Discard a card: Draw a card.

, : Reveal cards from the top of your library until you reveal a nonlegendary, nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.

Whenever Plasma Jockey attacks, target creature an opponent controls can't block this turn.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Trample

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Menace (This creature can't be blocked except by two or more creatures.)

: Plated Rootwalla gets +3/+3 until end of turn. Activate only once each turn.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Reach (This creature can block creatures with flying.)

Flying

You can't lose the game and your opponents can't win the game.

At the beginning of your end step, if you control two or more other creatures, draw a card.

: Create a 1/1 colorless Soldier artifact creature token.

Unearth

Flash

When Plaxmanta enters the battlefield, creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)

When Plaxmanta enters the battlefield, sacrifice it unless was spent to cast it.

Flash

Defender, flying

When Plundering Pirate enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Reach

: Add one mana of any color.

: Poison Dart Frog gains deathtouch until end of turn.

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever another creature dies, each opponent loses 1 life.

Trample, protection from enchantments

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Whenever Polis Crusher deals combat damage to a player, if Polis Crusher is monstrous, destroy target enchantment that player controls.

Creature tokens you control get +1/+1.

Each creature spell you cast costs less to cast if it has mutate.

Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

Reach, lifelink

Whenever Polukranos, Engine of Ruin or another nontoken Hydra you control dies, create a 3/3 green and white Phyrexian Hydra creature token with reach and a 3/3 green and white Phyrexian Hydra creature token with lifelink.

: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

When Polukranos, World Eater becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.

Pompous Gadabout has hexproof as long as it's your turn.

Pompous Gadabout can't be blocked by creatures that don't have a name.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

Whenever you cast an instant or sorcery spell, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

At the beginning of your upkeep, if you control three or more creature tokens, you may transform Poppet Stitcher.