msem-instigator

Planar Alignment enters tapped.
{T}: Add {C}.
{6}, {T}, Exile Planar Alignment: Search your library for a card, put it into your hand, then shuffle.

You may play cards you own from outside the game.

When Plane-Traversal Guide enters, you may exile a card you own from outside the game. When Plane-Traversal Guide is no longer on the battlefield, put the exiled card into your hand.

{X}, {T}, Sacrifice an artifact: Exile target artifact card in your graveyard with mana value X. Create a token that's a copy of it. Activate only as a sorcery.

Trample
Each creature you control can't have power less than 11 and can't have toughness less than 11. (If it would have less, it has 11 instead.)

When Polytheism enters, return up to four target permanent cards not named Polytheism from your graveyard to the battlefield. They become 4/4 God creatures in addition to their other types.
Gods you control have indestructible.

Counter target spell unless its controller pays {2}.
Wanderlust — If that spell has mana value 2 or less and you control four or more differently named lands, counter that spell.

When Powercell Engineer enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”

Tap up to three target creatures.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

Search your library for a creature card, reveal it, put it into your hand, then shuffle. Then if you control a creature with power 4 or greater, you may pay {4}. If you do, you may put a creature card from your hand onto the battlefield.

{1}, Sacrifice a creature: Each opponent loses 1 life.
Whenever a creature dies, you gain 2 life.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever Primal Ruffian attacks, if it has a +1/+1 counter on it, other creatures you control get +1/+1 until end of turn. (If it had no counters on it when it attacked, this ability does not trigger.)

Prismatic Cavern enters tapped.
When Prismatic Cavern enters, return a land you control to its owner's hand.
{T}: Add {C} and one mana of any color.

When Prod the Stitchwork enters, it deals 1 damage to target player. That player sacrifices a creature.
At the beginning of your end step, if an opponent was dealt damage by three or more sources this turn, exile the top card of your library. You may play it until the end of your next turn.

When Prodigious Telemancer enters, you may draw a card, then discard a card.
Whenever you cast an instant or sorcery spell, you may aetherize target creature you control. (To aetherize, create a token that's a copy of it, then exile that token.)

You may play Promethean Grotto from your graveyard.
{T}: Add {C}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Once each turn, when an Aura is attached to Prop Custodian or you cast a spell that targets it, you may audition for white. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Cleric Role giving 2/2 and lifelink. Roles replace older ones.)

Whenever a nontoken creature dies, you may exile that card from its owner's graveyard. If you do, return each other card exiled with Prop Recycling to its owner's graveyard.
At the beginning of combat on your turn, create a token that's a copy of a card exiled with Prop Recycling.

Enchant creature
Whenever enchanted creature attacks, audition for green. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Warrior Role giving 3/2 and trample. Roles replace older ones.)

When Prophetic Prism enters, draw a card.
{1}, {T}: Add one mana of any color.

As an additional cost to cast this spell, pay any amount of life.
Search your library for a card. If you have 10 or less life, search your library for two cards instead. Put those cards into your hand, then shuffle.

Destroy all creatures that aren't enchanted or equipped.

At the beginning of your end step, you get a perfection counter. Create a token that's a copy of up to one other target creature you control, then exile that token unless you have six or more perfection counters.

Counter target creature spell. Audition for blue. (Create a 1/1 Construct Actor creature token, a Wizard Role giving 2/2 and prowess, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)

Choose one —
• You may sacrifice a creature. When you do, it deals damage equal to its power to any target.
• Target creature gets +4/+4 and gains trample until end of turn.
• Destroy target artifact.