msem-instigator

Hexproof
Spells you cast cost {1} less to cast for each creature you control that shares a creature type with that spell.

Menagerie — When Paw Valley Alpha enters, if there are five or more creature types among creatures you control, you may destroy target artifact or enchantment.

Flying

Whenever Penny and Pete attacks, gain control of up to one target noncreature permanent and up to one target creature until end of turn. Untap the noncreature permanent, then tap the creature. It's attacking.

Heroic — Whenever you cast a spell that targets Pheres-Band Courser, put a +1/+1 counter on Pheres-Band Courser.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever a creature blocks, its controller loses 1 life.

Whenever Pillager's Sloop attacks, you may draw a card. If you do, discard a card.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Ship Vehicle becomes an artifact creature until end of turn.)

Whenever Pineblight Caribou enters or attacks, you may have it consume a land. If you do, draw a card and you gain 2 life. (To consume a land, sacrifice a land or exile a land card from your graveyard.)

Flying
Morph {5}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When you turn Pinnacle Seraph face up, destroy all other creatures.

Vigilance, deathtouch, menace

{T}, Sacrifice a creature: Return target creature card from your graveyard to your hand.
{T}, Sacrifice an artifact: Planar Processor deals 1 damage to any target.
{T}, Sacrifice an enchantment: Draw a card.
{T}, Sacrifice a land: Add one mana of any color.

Flash
Excess damage Polarity Sage would deal to an attacking creature is dealt to that creature's controller instead.

Whenever Power of Redemption attacks, choose one —
• Remove all -1/-1 counters from all creatures you control.
• Untap all creatures you control.

When Pre-Crime Handler enters, conjure a card named Data-Point into your hand. You gain 2 life. (It's a sorcery that costs {2} with “Draw a card.”)

Haste
At the beginning of your end step, return Preying Mantis to its owner's hand.

Reach
You may cast a copy of Primal Echo from your graveyard by exiling it and paying {2} in addition to its other costs. (The copy enters as a token.)

When Primordial Gorran enters, if {B} was spent to cast it, put a +1/+1 counter on it for each creature card in your graveyard.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Flying
Dragon spells you cast have cascade.

Flying
Whenever Prismatic Scyphozoa attacks or blocks, target player mills three cards.
When Prismatic Scyphozoa dies, create four 1/1 blue Elemental creature tokens with flying.

Vigilance, trample
Prized Marshcroaker can block an additional creature each combat.

Vigilance
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Prowess
Whenever Prodigal Spark is dealt damage, it deals that much damage to any target.

Each creature you control assigns combat damage equal to its toughness rather than its power.
Whenever another creature you control enters, creatures you control get +0/+1 until end of turn.

When Pyroclastic Maw enters, destroy target land. If that land was nonbasic, Pyroclastic Maw gains haste until end of turn.

Flying, haste
Whenever Pyrus, the Undying Flame attacks, add {R}{R}{R}{R}. You don't lose this mana as steps, phases, and turns end.
{1}{R}: Pyrus gets +1/+0 until end of turn.