msem-instigator

Tap target creature. Prevent all combat damage that creature would deal this turn. It doesn't untap during its controller's next untap step.

When Phasmopillar enters, search your library for a creature card with mana value 5 or greater, reveal it, put it into your hand, then shuffle. If a creature card with mana value 9 or greater was revealed this way, put two +1/+1 counters on Phasmopillar.

Indestructible
As long as your devotion to blue and black is less than seven, Phenax isn't a creature.
Whenever one or more cards are put into your graveyard from your hand or library, you may return one of those cards to your hand. Do this only once each turn.

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

Enchant creature
When Philosophical Conundrum enters, scry 1.
Enchanted creature can't attack or block.

Whenever a source you control deals damage to an opponent this turn, exile the top card of your library. You may play it this turn.

Lifelink
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

Whenever a creature you control dies, draw a card if it had power greater than its base power.

Trample
Phoberos Ragehorn has haste as long as you control another Minotaur.
Whenever Phoberos Ragehorn attacks, each player discards a card.

Flying, haste
Whenever Phoenix of Agonas attacks, you may discard a card. If you do, draw a card.
{4}{R}: Return Phoenix of Agonas from your graveyard to your hand. This ability costs {X} less to activate, where X is your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Enchant creature
When Photon Barricade enters, draw a card.
Enchanted creature gets +1/+1 and can't attack.

When Phyrexian Arcforger enters, create a 1/1 colorless Phyrexian artifact creature token for each artifact you control.

{R}: Phyrexian Firemaster gains haste until end of turn.

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

{2}, {T}, Exile a card from your graveyard: Draw a card.

Deathtouch
Whenever a +1/+1 counter is put on a creature you control, that creature gains deathtouch until end of turn.

Defender
Phyten Bodyguards can attack as though it didn't have defender as long as you control three or more creatures.

You may cast instant and sorcery cards from your graveyard. Spend no more than one mana of each color to cast spells this way each turn. If a spell cast this way would be put into your graveyard, exile it instead.

Return X target creature cards with mana value 3 or less from your graveyard to the battlefield, then choose one of them and exile the rest.

You draw two cards, lose 2 life, and create a Gold token. (It's an artifact with “Sacrifice this artifact: Add one mana of any color.”)

Create a token that's a copy of target permanent you control, except it isn't legendary. Then put Picture Perfect on the bottom of its owner's library if you cast it from exile.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

Double strike, menace
{R}{W}, Exile Picturesque Champion from your graveyard: Target creature you control gains double strike and menace until end of turn. Activate only as a sorcery.

[+1]: Create a 1/1 white Cat creature token with lifelink.
[–1]: When you next activate a nonmana ability of target permanent this turn, copy that ability. You may choose new targets for the copy.
[–7]: Exile up to seven target permanents. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Archive 2 (As this enters, shuffle the top two cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
{R}{W}: Put a nontoken artifact or creature you own on the bottom of the archived library. Create a token that's a copy of it.

Codex — Eleventh Hour Breakthrough; Mentorb; Ostracizer Orb; Possibility Engine; Sealed Riftway; Self Replication. (As this enters, conjure its contents into a shuffled face-up additional library.)
{T}, Sacrifice an artifact: Draw a card from the codex's library.