Whenever you gain life, put that many ribbon counters on Prize Pig. Then if there are three or more ribbon counters on Prize Pig, remove those counters and untap it.

: Add one mana of any color.

Prized Elephant gets +1/+1 as long as you control a Forest.

: Prized Elephant gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Return up to three target creature cards with mana value 1 or less from your graveyard to the battlefield.

Forecast — , Reveal Proclamation of Rebirth from your hand: Return target creature card with mana value 1 or less from your graveyard to the battlefield. (Activate only during your upkeep and only once each turn.)

: Prodigal Sorcerer deals 1 damage to any target.

: Exile target creature. Then if there are three or more cards exiled with Profane Procession, transform it.

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.

+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.

−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

When Progenitor Exarch enters, incubate 3 X times. (To incubate 3, create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

: Transform target Incubator token you control.

Flying

Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.

Whenever Prognostic Sphinx attacks, scry 3.

Devoid (This card has no color.)

Creature tokens you control have evolve. (They have "Whenever a creature you control enters, if it has greater power or toughness than this token, put a +1/+1 counter on this token." They see this creature enter.)

: Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add ."

When Prophetic Prism enters, draw a card.

, : Add one mana of any color.

When Prosperity Tycoon enters, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

, Sacrifice a token: Prosperity Tycoon gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it.)

When Prosperous Partnership enters, create two 1/1 green and white Citizen creature tokens.

Tap three untapped creatures you control: Create a Treasure token.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever one or more Ninja or Rogue creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

, Pay 1 life: Prevent all damage that would be dealt to you this turn by a source of your choice that shares a color with the mana spent on this activation cost. <I>(Colorless mana prevents no damage.)</I>

, , Sacrifice Protomatter Powder: Return target artifact card from your graveyard to the battlefield.

Partner with Impetuous Protege (When this creature enters, target player may put Impetuous Protege into their hand from their library, then shuffle.)

, : Tap target creature.

When Provisions Merchant enters, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever Provisions Merchant attacks, you may sacrifice a Food. If you do, attacking creatures get +1/+1 and gain trample until end of turn.

Flying

: Target creature gains flying until end of turn.

Enchant creature

Enchanted creature has ": This creature deals 1 damage to any target."

Discard a card: Psychatog gets +1/+1 until end of turn.

Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Enchant permanent

When Psychic Overload enters, tap enchanted permanent.

Enchanted permanent doesn't untap during its controller's untap step.

Enchanted permanent has "Discard two artifact cards: Untap this permanent."

At the beginning of your upkeep, put a spore counter on Psychotrope Thallid.

Remove three spore counters from Psychotrope Thallid: Create a 1/1 green Saproling creature token.

, Sacrifice a Saproling: Draw a card.

Flying

Sacrifice Pteron Ghost: Regenerate target artifact.

, : Target creature you control gets +X/+X until end of turn. Destroy it at the beginning of the next end step.

: Return three target cards from an opponent's graveyard to their hand. Return target creature card from your graveyard to the battlefield.

Target creature gets -2/-2 until end of turn. (Then exile this card. You may cast the creature later from exile.)

, : You may tap or untap target creature.

, : Look at the top card of your library. You may exile that card. ( is the untap symbol.)

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature you control enters, Purphoros deals 2 damage to each opponent.

: Creatures you control get +1/+0 until end of turn.

Enchant creature

Enchanted creature gets +2/+2 and has ": This creature gains flying until end of turn."

, Sacrifice Pus Kami: Destroy target nonblack creature.

Soulshift 6 (When this creature dies, you may return target Spirit card with mana value 6 or less from your graveyard to your hand.)

Pay 2 life: Putrid Leech gets +2/+2 until end of turn. Activate only once each turn.

Pygmy Pyrosaur can't block.

: Pygmy Pyrosaur gets +1/+0 until end of turn.

, : 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.

Haste

: Pyre Charger gets +1/+0 until end of turn.

Discard a land card: Pyre of the World Tree deals 2 damage to any target.

Whenever you discard a land card, exile the top card of your library. You may play that card this turn.

, : Pyre-Sledge Arsonist deals X damage to any target, where X is the number of permanents you've sacrificed this turn.

Bloodrush — , Discard Pyrewild Shaman: Target attacking creature gets +3/+1 until end of turn.

Whenever one or more creatures you control deal combat damage to a player, if Pyrewild Shaman is in your graveyard, you may pay . If you do, return Pyrewild Shaman to your hand.

, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target.

, Sacrifice Pyrite Spellbomb: Draw a card.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pyrohemia.

: Pyrohemia deals 1 damage to each creature and each player.

, Discard a card at random: Pyromancy deals damage to any target equal to the mana value of the discarded card.

, Discard a card at random: Pyromania deals 1 damage to any target.

, Sacrifice Pyromania: It deals 1 damage to any target.

: Add . Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

When Quakefoot Cyclops enters, up to two target creatures can't block this turn.

Cycling (, Discard this card: Draw a card.)

When you cycle Quakefoot Cyclops, target creature can't block this turn.

: If target Plains is tapped for mana, it produces colorless mana instead of white mana. <I>(This effect lasts indefinitely.)</I>

Whenever a card is put into your graveyard from anywhere, you may put a quest counter on Quest for Ancient Secrets.

Remove five quest counters from Quest for Ancient Secrets and sacrifice it: Target player shuffles their graveyard into their library.

Whenever a creature you control deals combat damage to a creature, you may put a quest counter on Quest for the Gemblades.

Remove a quest counter from Quest for the Gemblades and sacrifice it: Put four +1/+1 counters on target creature.

Whenever you cast a creature spell, you may put a quest counter on Quest for the Holy Relic.

Remove five quest counters from Quest for the Holy Relic and sacrifice it: Search your library for an Equipment card, put it onto the battlefield, attach it to a creature you control, then shuffle.