Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Equipped creature gets +X/+X, where X is the number of charge counters on Opaline Bracers.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Orochi Hatchery enters the battlefield with X charge counters on it.
, : Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

As Painter's Servant enters the battlefield, choose a color.
All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

As Paradise Plume enters the battlefield, choose a color.
Whenever a player casts a spell of the chosen color, you may gain 1 life.
: Add one mana of the chosen color.

Flying
When Parasitic Strix enters the battlefield, if you control a black permanent, target player loses 2 life and you gain 2 life.

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 your library.

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

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice.
, : Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

When Pendulum of Patterns enters the battlefield, you gain 3 life.
, , Sacrifice Pendulum of Patterns: Draw a card.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Remove a charge counter from Pentad Prism: Add one mana of any color.

Pentavus enters the battlefield with five +1/+1 counters on it.
, Remove a +1/+1 counter from Pentavus: Create a 1/1 colorless Pentavite artifact creature token with flying.
, Sacrifice a Pentavite: Put a +1/+1 counter on Pentavus.

Trample
When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Phyrexian Marauder enters the battlefield with X +1/+1 counters on it.
Phyrexian Marauder can't block.
Phyrexian Marauder can't attack unless you pay for each +1/+1 counter on it.

As Phyrexian Processor enters the battlefield, pay any amount of life.
, : Create an X/X black Minion creature token, where X is the life paid as Phyrexian Processor entered the battlefield.

As Phyrexian Revoker enters the battlefield, choose a nonland card name.
Activated abilities of sources with the chosen name can't be activated.

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

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 your library.

As Pillar of Origins enters the battlefield, choose a creature type.
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

When Pirate's Cutlass enters the battlefield, attach it to target Pirate you control.
Equipped creature gets +2/+1.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Piston Sledge enters the battlefield, attach it to target creature you control.
Equipped creature gets +3/+1.
Equip—Sacrifice an artifact.