msem-instigator

Menace
Foresight — Whenever you draw your second card each turn, target player loses 2 life and you gain 2 life.

Flash
Flying

Search your library for a card, reveal it, then shuffle and put that card on top. You lose life equal to its mana value.

Guardian of Dusk gets +X/+X, where X is the amount of life you've lost this turn.
When Guardian of Dusk has power 13 or greater, sacrifice it. If you do, you gain life equal to its power.

Nonland permanents have “This permanent doesn't untap during your untap step” and “{2}: Untap this permanent.”

Flying
When Aven Merchant enters, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

[0]: Sacrifice a creature. When you do, Xiong Mao, Survivalist deals damage to any target equal to that creature's power, then put a number of loyalty counters on Xiong Mao equal to that creature's toughness.
[–2]: Return up to two target creature cards from your graveyard to your hand.
[–6]: You get an emblem with “Whenever a creature you control dies, you may draw cards equal to its power, then you may gain life equal to its toughness.”

Lifelink
Augmented — Whenever you cast a spell, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, put a +1/+1 counter on United Guardian. It loses this ability and gains “Whenever United Guardian attacks, create two 1/1 blue Elemental creature tokens with flying that are tapped and attacking.”

When Diao enters, create two 1/1 white Warrior creature tokens.
Whenever Diao attacks, put a +1/+1 counter on each attacking creature you control with the least power among those creatures.

{1}{U}, Tap an untapped Noble you control: Hired Blades gets +2/+1 until end of turn and can't be blocked this turn.

Reach, vigilance
When Amorphous Tyrant enters, another target creature you control deals damage equal to its power to target creature or planeswalker you don't control.
Evoke {G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Nimblefoot can't be blocked.

At the beginning of your upkeep, reveal the top card of your library. Any opponent may have Insurgent Ballads deal damage to them equal to that card's mana value. If a player does, put that card on the bottom of your library. Otherwise, put it into your hand.

Changeling (This card is every creature type.)
As Kalyn, Wildkin Envoy enters, choose up to three non-Human creature types.
Other creatures you control with one or more of the chosen types get +1/+1.
{2}, {T}: Create a 1/1 colorless Shapeshifter creature token with changeling. Activate only outside of combat.

When The Dreadmoon Ascendancy enters, you may put two -1/-1 counters on target creature.
Whenever you put one or more counters on one or more other permanents, you may put a bale counter on The Dreadmoon Ascendancy.
{B}, Pay 1 life, Remove a bale counter from The Dreadmoon Ascendancy: Draw a card.

During your opponents' turns, Chroma, the Faerie Circle has all basic land types in all zones.
Chroma, the Faerie Circle enters tapped.

Menace
Discard a card: Target artifact creature you control salvages Rappel Liner. Activate only if Rappel Liner is in your graveyard and only as a sorcery. (Exile this card until that creature leaves the battlefield. When that creature deals combat damage to a player, return a card it salvaged to your hand.)

Activated abilities of cards in your graveyard cost {2} less to activate.

Whenever another enchantment you control enters, put a +1/+1 counter on Neo-Soul Prophet and conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

You may have Ligneous Enormity assign its combat damage as though it weren't blocked.
Madness {3}{G}{G} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever an embattled creature you control dies, you may return Skhorvall Eternal from your graveyard to your hand. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
Enchanted creature loses all abilities except for mana abilities.

When Abyssal Nightcaster enters, each player exiles a card from their hand.
When Abyssal Nightcaster dies, you may play cards you don't own from exile this turn.

Flying
When Sigarda's Shepherd enters, another target creature you control gets +1/+1 and gains indestructible until end of turn.

{2}{G}, {T}: Another target creature you control gets +2/+2 until end of turn.