msem-instigator

{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.

For each permanent your opponents control, create a token that's a copy of that permanent.

{T}: Add {C}. Put your choice of a flying, first strike, menace, trample, vigilance, or +1/+1 counter on Planar Rift.
{1}, {T}: Remove any number of counters from Planar Rift: Add {C} for each counter removed this way.
{T}: Move a counter from Planar Rift onto target creature you control. Activate only as a sorcery.

Whenever equipped creature deals combat damage to a player, draw a card.
Whenever a Vehicle you control becomes a creature, you may attach Planar Uplink to it.
Equip {U}

Flying
When Planchette Poltergeist enters, you may exile target creature. Its owner may cast it from exile for as long as it remains exiled.

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.

Menace, haste
Whenever another player casts a spell that targets Plasma Addict, that player gains control of Plasma Addict.

First strike, haste
Whenever you cast an enchantment, instant, or sorcery spell, put a +1/+1 counter on Plasma Blader.
{2}{R}{R}, Sacrifice Plasma Blader: It deals damage equal to its power to any target.

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)
Sacrifice another artifact: Put a +1/+1 counter on Plasma Enforcer.
When Plasma Enforcer dies, create a 1/1 colorless Servo artifact creature token for each +1/+1 counter on Plasma Enforcer.

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.)

Return target blocking creature to its owner's hand. Creatures blocked by that creature get +1/+1 and gain trample until end of turn.

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 with a +1/+1 counter on it deals combat damage to a player, arm that creature. (Create a colorless Equipment artifact token with “Equipped creature gets +1/+0” and equip {2}, then attach it to that creature.)

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever an opponent loses 3 or more life, add a quest counter.
Destroy up to one target creature with power or toughness 2 or less.
Create Sir Jasper Reborn, a legendary 3/1 black Zombie Mouse Knight creature token with menace.
Search your library for a card, reveal it, put it into your hand, then shuffle. If you revealed a card named Karoa's Downfall this way, you may cast it without paying its mana cost.

Mill X cards. Then you may return a creature card with mana value X or less from your graveyard to the battlefield.

Advance {3}{W} (Cast this for {3}{W} to advance it as it enters. {3}{W}: Advance this as a sorcery.)
At the beginning of your upkeep, you gain 1 life.
Whenever Plush Tea Party advances, create a token that's a copy of it.

Reveal up to four cards you own from outside the game with the same name, then shuffle them into your main library.
Draw a card.

Whenever Poignant Hydra deals combat damage to a player, put a +1/+1 counter on it.
Creature spells you cast with power less than Poignant Hydra's power cost {1} less to cast.

You may cast cast up to two target instant and/or sorcery cards with total mana value 6 or less from your graveyard without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead.
Exile Pointer Churn.

{B}{G}, {T}, Remove a -1/-1 counter from a creature you control: Create a 1/1 green Elf Druid creature token.

Whenever a player gains life, that player loses 2 life.

{T}, Exile a land card from your hand, from your graveyard, or a land that you control: Add one mana of any color.

When Polgek Artisan enters, create an X/X colorless Juggernaut artifact creature token, where X is the number of artifacts and enchantments you control.

When Polgek Restorationist enters, you may return target artifact, enchantment, or planeswalker card from your graveyard to your hand.

Whenever Polgek Songcrafter attacks, other attacking creatures you control get +1/+0 until end of turn. If you control five or more attacking creatures, choose up to one target creature the defending player controls. That creature can't block this turn.

This spell can't be countered.
Polis's Demise deals 5 damage to each creature. Destroy all artifacts.