msem-instigator

Vigilance
Whenever Saeedi Kahroba, Daughter attacks, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Artifact spells you cast cost {1} less to cast.
The first ability of an artifact you activate each turn costs {1} less.

{T}: Add {C}.
{T}, Reappropriate: Add one mana of any color. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

Each player chooses a creature with the least power among creatures they control. Then destroy the rest.

Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)
[+2]: Exile the top two cards of your library. Until end of turn, you may play one card exiled with this permanent.
[+1]: Exile up to two cards from your hand, then draw that many cards.
[–3]: Menna, Servant to None deals 3 damage to up to one target player and up to one target creature or planeswalker.

Whenever you activate one of Ai's loyalty abilities, create a 2/2 colorless Soldier artifact creature token with that ability, except it costs +1 to activate.
[+1]: Ai deals 1 damage to target player or planeswalker. You gain 1 life.
[–3]: Draw a card. You lose 1 life.
[–7]: Each opponent sacrifices a permanent and discards a card.

When Fang of Andazir enters, each player sacrifices a permanent.
Whenever you sacrifice a creature for the first time each turn, create a 1/1 red Dog creature token.

Whenever you draw a card, put a foreshadow counter on Ominous Seas.
Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.
Cycling {2} ({2}, Discard this card: Draw a card.)

Flourishing Swamp enters tapped.
As Flourishing Swamp enters, choose a basic land type.
Flourishing Swamp is the chosen type in addition to its other types.

Whenever equipped creature deals combat damage to a player, create a 1/1 colorless Thopter artifact creature token with flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
{3}{G}: Gloomhollow Woodlurker must be blocked this turn if able.

Lifelink
Players casting spells and creatures entering don't cause abilities to trigger.

When Paralysis Specialist enters, up to two target creatures don't untap during their controller's next untap step.

Whenever equipped creature attacks, it gets +X/+0 until end of turn, where X is its power.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

{3}{W}{W}: Put a divinity counter on Paragon of Noon. It gains indestructible.
Whenever Paragon of Noon attacks, if it has a divinity counter on it, search your library for a creature card with mana value 1, put it onto the battlefield tapped and attacking, then shuffle.

Whenever one or more cards are put into an opponent's graveyard from their hand or library, you may exile the top card of each player's library. Until your next turn, you may cast a card from among those exiled cards and you may spend mana as though it were mana of any type to cast that spell.

Destroy target noncreature, nonland permanent. (Destroying a battle doesn't remove counters from it.)
Flashback {3}{W}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Slyten Connoisseur attacks, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
Once each turn, when an artifact you control dies, you may pay 1 life. If you do, draw a card.

Deathtouch
Whenever Scaleblight Bokor attacks, it gets +1/+1 until end of turn for each Curse attached to defending player.

Vigilance
When Skaab Grappler enters, you may exile two creature cards from your graveyard. When you do, return another target creature to its owner's hand.

Double strike

Whenever Gentry Infiltrator deals combat damage to a player, you may search that player's library for a creature card and exile it. If you do, that player shuffles.
{2}{U}{U}: Gentry Infiltrator becomes a copy of a creature card exiled with it until end of turn.

Choose one —
• Target player mills four cards.
• Draw a card.

Whenever you cast a spell, you may pay {1}. If you do, put a storage counter on Savings Broker.
Remove X storage counters from Savings Broker: Add {C} for each storage counter removed this way. You gain X life.

Engorge (As this enters, mill three cards, then exile a card from among the milled cards.)
When Abhorrent Exhumer enters, if it engorged a creature card, you may return target creature card from your graveyard to your hand.