msem-instigator

[+1]: Tap up to one target creature. Azun, Sheriff of Daisite deals 1 damage to each opponent.
[–1]: Exile another target nonland permanent until Azun, Sheriff of Daisite leaves the battlefield.
[–7]: Detain each permanent target opponent controls.

Whenever Babbling Experiment or another creature enters the battlefield under your control, target player mills two cards.

Extort

Mark
Whenever Backalley Silencer deals combat damage to a player, destroy target marked creature.

Non-Actor creatures can't block this turn.

Lifelink
At the beginning of your end step, if you gained life this turn, put a +1/+1 counter on Backstage Manager.

{T}, Pay 1 life: Add {R} or {W}.
{1}, {T}, Sacrifice Backstage Rooms: Investigate.

When Backstage Tinkers enters the battlefield, you may return an artifact card from your graveyard to your hand.

[+1]: Exile up to two target cards from graveyards. You gain 3 life.
[–2]: Exile target artifact, enchantment, or nonbasic land.
[–7]: You get an emblem with “At the beginning of your upkeep, exile target noncreature permanent.”

Deathtouch
Whenever a creature dealt damage by Barbed Beast this turn dies, transform Barbed Beast.

Vigilance, deathtouch
Whenever a creature dealt damage by Barbed Bruiser this turn dies, draw a card.

Barbed Reef enters the battlefield tapped. When it does, it explores.
{T}: Add {B}.
{4}{B}: Barbed Reef becomes a Jellyfish creature.

When Barhopping in Minei enters the battlefield, draw up to four cards, then put twice that many drink counters on Barhopping in Minei.
Your maximum hand size is reduced by the number of drink counters on Barhopping in Minei.

Vanguard — Whenever a creature you control attacks alone, it gets +1/+3 until end of turn.

Target creature you control gets +0/+3 and gains hexproof until end of turn.

Flash
Haste
{3}, {T}: Exchange control of two target noncreature spells. Their controllers may choose new targets for the spells.

If you would catalyze, catalyze twice instead.
You may pay an additional {2} as you cast a spell. If you do, reveal the bottom card of your library. You may put it into your graveyard or on top of your library.

Whenever an artifact or enchantment enters the battlefield under your control, you may detain target nonland permanent.

Whenever you detain a permanent, you gain life equal to that permanent's mana value.

Auras and Equipment you control have indestructible.
Whenever Bearidge Marshall attacks, you may create a white Aura enchantment token named Arrest attached to target creature. It has enchant creature and “Enchanted creature can't attack or block, and its activated abilities can't be activated.”

{2}, {T}: Tap target creature.

{T}: Add {G}.
{T}: Add {G}{G}. Activate only if you control an Elemental.

Insects you control have hexproof.
At the beginning of your end step, if you control a nontoken Insect, create a 1/1 green Insect creature token.

Counter target spell unless its controller pays {1} or if it has the same name as a permanent or a card in a graveyard.

X target creatures can't block this turn.
Fuse