msem-instigator

Primal {5}{G}{U} (During your turn, you may cast this spell for {5}{G}{U} instead of playing a land.)
If you cast this spell for its primal cost, search your library for a permanent card, reveal it, put it into your hand, then shuffle.
You may put a permanent card from your hand onto the battlefield.

Enchant player
At the beginning of enchanted player's end step, gain control of a permanent they control.

You may activate an additional loyalty ability of Nox during your turn as long as Nox or another enchantment you control has entered this turn.
[+1]: You gain life equal to the amount of life lost by target player this turn.
[0]: Target opponent loses 2 life. You gain 2 life.
[–2]: Exile target nonland permanent. You lose life equal to its mana value.

Indestructible
As long as your devotion to green is less than five, Nylea isn't a creature.
Whenever another creature you control deals combat damage to a player, draw a card.
{1}{G}: Until end of turn, another target creature you control gains haste and can't be blocked by creatures with power 3 or less.

This spell costs {1} less to cast for each artifact and/or enchantment you control.
Trample
{1}, Sacrifice another cryptic permanent you control or exile a cryptic card from your graveyard: Put a +1/+1 counter on Observer of Aeons. (Artifacts, enchantments, and modal spells are cryptic.)

At the beginning of your end step, create a token that's a copy of target transformed permanent you control, except it has “This permanent can't transform.”

Enchant planeswalker
Enchanted planeswalker has “+2: Draw two cards, then put a card from your hand on the bottom of your library.”

Whenever you cast an instant or sorcery spell from your hand, you may cast target card with the same name as that spell from your graveyard. (You still pay its costs.)

{T}: Add {C}.
{6}, {T}, Discard a card: Search your library for a multicolored card, exile it, then shuffle. If its mana value is 3 or less, you may cast it without paying its mana cost. If you don't, put it into your hand. Activate only as a sorcery.

Each player mills three cards.
Draw a card.

Pressure—{4}{U}{B}, Sacrifice two creatures. (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Whenever Oryxyth enters or attacks, create an X/X black Horror creature token, where X is the number of cards in your graveyard.
{U}{B}, Sacrifice another creature: Gain control of target creature with power less than the sacrificed creature's power.

Create X 1/1 blue Elemental creature tokens with flying.
Augmented — If you've spent {W}{U}{B}{R}{G} to cast spells this turn, creatures you control gain haste and vigilance until end of turn.

Exile the top X cards of target opponent's library. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

You may cast this spell by paying {1}{W}{U}{B}{R}{G} rather than paying its mana cost.
Defender, indestructible
Lands you control are 2/2 Spirit creatures with haste and indestructible.

When Paint by Numbers enters, put up to ten brush counters on it.
Whenever a player casts a instant or sorcery spell with mana value equal to the number of brush counters on Paint by Numbers, remove a brush counter from it and copy that spell. You may choose new targets for the copy. Then sacrifice Paint by Numbers if it has no brush counters.

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.)

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.

Flying
Other creatures get -1/-1.
Whenever Pan Long enters or deals combat damage to a player, return to the battlefield under your control target creature card from a graveyard that was put there from the battlefield this turn.

{G/U}: Pangoling gains hexproof until end of turn.
{G/U}: Move a counter from target creature you control onto Pangoling.
{G/U}: Whenever Pangoling deals combat damage to a player this turn, draw a card. Activate only once each turn.
{1}: Pangoling gets +1/-1 or -1/+1 until end of turn.

Flash
As long as Panya and exactly one other creature are attacking, both have flying.

Whenever Panya attacks, you may put an escapade counter on her, then you may cast an instant or sorcery card from your hand with mana value equal to the number of escapade counters on Panya without paying its mana cost.
{1}{U}: Panya gains flying until end of turn.

Sacrifice any number of permanents. If five colors were among the sacrificed permanents, each player exiles the top five cards of their library. For each player, you may cast up to two cards they exiled this way without paying their mana costs.

When Path Through the Planes enters, draw a card, then choose a card name.
You may cast spells with the chosen name without paying their mana costs.

When Paul, Rock Bottom dies, you may discard a card. If you do, return this card from your graveyard to your hand at the beginning of the next end step.
[+1]: Draw a card, then discard a card.
[0]: Until end of turn, Paul becomes a 2/2 Construct creature with prowess. Prevent all damage that would be dealt to them this turn.
[–3]: Return target instant or sorcery card from your graveyard to your hand.

Target opponent reveals their hand. You choose a nonland card from it. If you can't, they discard a card. Otherwise, that player discards a card, then if they didn't discard the chosen card, you create a tapped Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)