msem-instigator

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Put a porcelain counter on each of up to one target creature and up to one target artifact. They become 3/3 colorless artifact creatures and lose all abilities.

Each player draws two cards.
Flashback—{W}, Tap two untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Palace Hall enters tapped.
When Palace Hall enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {G} or {W}.

Each instant and sorcery card you own that isn't on the battlefield has inscribe. The inscribe cost is equal to its mana cost. (Exile that spell card inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

{T}, Sacrifice Palace of Reflections: Choose a land you control. Search your library for a land card with the same name as the chosen land, put it onto the battlefield tapped, then shuffle.

Palace of Tomorrows enters tapped.
{T}: Add {U}.
{2}{U}, {T}: Target player mills three cards.

Equipped creature gets +1/+1 and has vigilance and lifelink.
Equip {3}

Equipped creature gets +2/+0 and has first strike.
Equip Cleric or Knight {1}
Equip {3}

Whenever you cast a spell with • in its text, you may pay {2} any number of times. For each time you do, copy that spell. You may reselect modes and choose new targets for the copy.
{2}, Sacrifice Palaisun, Maktali's Opus: Draw a card.

Put target spell or nonland permanent on top of its owner's library.

{2}, {T}, Sacrifice Pale Morningstar Powder: Put two -1/-1 counters on target creature.

Return target creature card from your graveyard to the battlefield. That creature is a black Elemental in addition to its other colors and types. Upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Lifelink

Target creature you control gets +2/+1 until end of turn. It fights target creature you don't control. (Each deals damage to the other equal to its power.)

When Pandora's Eviction enters, exile target creature an opponent controls until Pandora's Eviction leaves the battlefield.
{4}{W}: Exile Pandora's Eviction. Return it to the battlefield under its owner's control at the beginning of the next end step.

Remove all counters from target creature. You gain 1 life for each counter removed this way.

Paomar Shrine enters tapped.
{T}: Add {R} or {G}.
{R/G}, {T}, Sacrifice Paomar Shrine: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

Exile target creature. If you controlled that creature, create a 4/4 red Dragon creature token with flying. Otherwise, its controller creates a 1/1 white Bird creature token with flying.
Showcase {4}{U} (Then if you cast this for its showcase cost, create a 1/1 red Bard creature token that can't block and exile this. Whenever it attacks, you may cast a free copy of this.)

When you're dealt damage, sacrifice Paracosm.
{T}: Add one mana of any color.

As an additional cost to cast this spell, sacrifice X lands and/or creatures.
This spell can't be countered.
Create X tapped colorless enchantment land tokens named Paradise with hexproof and “{T}: Add one mana of any color.”

You may play Paradise Reef from your graveyard as long as seven or more cards are in your graveyard.
Paradise Reef enters tapped.
{T}: Add {G} or {W}.
Cycling {1}{G}{W} ({1}{G}{W}, Discard this card: Draw a card.)

Paradise Windows enters tapped.
{T}: Add {G} or {W}.
{G}{W}, {T}, Sacrifice Paradise Windows: Conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

{1}, {T}, Pay 1 life: Add one mana of any color. Put a charge counter on Paradox Rings.
{T}, Remove three charge counters from Paradox Rings and sacrifice it: Draw a card.

Whenever a player casts a spell from their hand, they reveal the top card of their library. If it's a nonland card with a mana value less than that spell's, they may cast it without paying its mana cost. Otherwise, they put it on the bottom of their library.
{2}{U}: Scry 1.

Enchant creature
Enchanted creature gets +1/+1 and has “At the beginning of each end step, you gain 1 life.”