msem-instigator

Destroy target tapped creature.
Menagerie — If there are five or more creature types among creatures you control, that creature's controller discards a card.

When Zwurg enters, you may discard your hand. If you do, draw X cards and add X {R}, where X is the number of different sources that dealt damage to an opponent this turn.

Creature tokens you control get +1/+1 and can block an additional creature each combat.

{T}: Add {C}.
Satrapies you control have “{U}, {T}: Each opponent mills a card.

You gain 3 life. Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.

[+1]: Gain control of up to one target noncreature permanent you don't control until end of turn. Untap it.
[0]: Target player gains control of target permanent you control.
[–7]: You get an emblem with “Whenever you target one or more permanents, gain control of those permanents.”

When Jade Counterweight enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Equipped creature gets +1/+1.
Equip {1}

Search your library for a land card, reveal it, put it into your hand, then shuffle.

(Choose only one work as a sorcery to add its ability.)
When Path of the Outsider enters, return target creature to its owner's hand, then each opponent sacrifices a creature.
{2}{U}: Evanescence
{0}: Target creature phases out. Activate only during your turn and only once each turn.
{2}{B}: Anguish
Whenever a creature attacks you, it gets -1/-1 until end of turn.

Lifelink
When Adept of Transfusions enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
Tokens you control have “{1}, {T}, Discard a card, Sacrifice this token: Draw a card.”

When Eaveshoppers enters, each opponent discards a card.
Inspired — Whenever Eaveshoppers becomes untapped, exile up to one target card from a graveyard. If a land card is exiled this way, put a +1/+1 counter on Eaveshoppers.

Wary Rider has first strike as long as its attacking.
Wary Rider gets +1/+0 as long as you control two or more other creatures.

When Globule of Vigor enters or leaves the battlefield, up to one target creature gets +1/+1 until end of turn.
{2/G}, {T}, Sacrifice Globule of Vigor: Draw a card.

Flying, first strike
If one or more tokens would be created under your control, those tokens plus a 1/1 black and red Vampire creature token with menace are created instead.
{3}{B}{B}: Each opponent loses X life and you gain X life, where X is the number of Vampires you control.

This spell costs {1} less to cast if it targets an embattled creature. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)
Put two +1/+1 counters on target creature you control and untap it. It gains hexproof and trample until end of turn.

When Extraction Mercenary enters, if you attacked this turn, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
{4}{R}{R}: Extraction Mercenary deals 3 damage to any target.

Whenever a player casts an instant or sorcery spell, Wiedfree Roughrider deals 2 damage to that player.
Whenever Wiedfree Roughrider attacks, you may pay {X}. When you do, destroy target noncreature, nonland permanent with mana value X.

Adorned — Daelish Archer has first strike as long as it's equipped and/or enchanted.

Whenever Bazaar Informant deals combat damage to a player, reveal the top card of that player's library. If it's a nonland card, put a +1/+1 counter on Bazaar Informant, then that player puts that card into their graveyard.

Gorru Recluse can't attack if you control a creature with greater power.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Another target creature you control gets +1/+1 until end of turn.
[Lore III] Search your library for a basic land card, put it onto the battlefield, then shuffle.

Other Zombies you control get +1/+1.
Whenever Plague Herald or another Zombie enters under your control, target creature you control gains deathtouch until end of turn.

{1}, {T}: Tap target artifact, creature, or land.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Destroy target tapped creature.
3 | Prevent all combat damage that would be dealt this turn.

Prowess
You may activate inscribe abilities from your graveyard as though they were in your hand.