msem-instigator

When Defiler of Farmsteads enters, each opponent loses 2 life and you gain 2 life.

When this permanent transforms into Worthy Vulpine or at the beginning of combat on your turn, creatures you control gain haste and trample until end of turn.

Choose a creature. Exile the rest.

Whenever Distracting Performer becomes tapped, you may tap target creature.

Target creature gets -6/-6 until end of turn.
Create a black enchantment token named Blight with “At the beginning of your upkeep, you lose 1 life.”

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Ash Breather deals combat damage to a player, you may discard a card. If you do, draw a card.

When Mausoleum Suffragan enters, create a white and black Aura enchantment token named Pale Shroud attached to target creature. The token has enchant creature and “Enchanted creature gets +1/+1 and has lifelink.”
Whenever an artifact or enchantment you control enters, each opponent loses 1 life.

First mate — Each land card in your starting deck has a different name. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Lifelink, vigilance
Asabeth of the Intrepid's power and toughness are each equal to the number of lands you control.

When Kiyomi's Disciple enters, put target creature card from a graveyard onto the battlefield under your control. When Kiyomi's Disciple is no longer on the battlefield, that creature's controller sacrifices it.

Enchant creature
Enchanted creature gets +1/+1 and has lifelink.
Sacrifice enchanted creature: Target creature gains lifelink until end of turn. Regenerate that creature. (The next time this permanent would be destroyed this turn, it isn't. Instead tap it.)

When Conquerer's Blade enters, create a 1/1 white Soldier creature token and attach Conquerer's Blade to it.
Equipped creature gets +1/+0 and has first strike.
Equip {3}

{3}, {T}: Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When Faulty Lock enters or is put into a graveyard from the battlefield, choose a creature you control. Whenever that creature deals combat damage to a player this turn, draw a card.
{2}{U}: Sacrifice Faulty Lock. Activate only as a sorcery.

{3}, {T}: Each opponent loses 2 life. This ability costs {3} less to activate if you've sacrificed a permanent this turn.

Enchant creature
Enchanted creature gets +2/+2.
Whenever enchanted creature attacks while you control an Angel or Nephilim, put a +1/+1 counter on target attacking creature you control with lesser power.

Haste
Whenever a player loses life, that player gains control of Graygulch Revenant.

{1}{U}, {T}: Draw a card, then discard a card.

First strike (This creature deals combat damage before creatures without first strike.)
Whenever Cauldish Warmonger attacks, create a 1/1 white Soldier creature token that's tapped and attacking.

Whenever Leija, the Bloodied Queen attacks, you may pay {R}{R}{R}{R}. If you do, it deals 4 damage to each other creature, each player, and each planeswalker.

Gain control of target creature with power X or less.

Whenever another artifact you control enters, put a +1/+1 counter on Metalwork Machinist.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
When you unveil Bramble Quickling, you may have it fight target creature.

At the beginning of your upkeep, you may sacrifice another creature. If that creature had mana value 2 or greater, create a 3/2 colorless Horror creature token. Otherwise, create a 1/1 colorless Human creature token.
Whenever you create a creature token, you may pay 2 life. If you do, put a menace counter on it.

Flying
When Tengu Skyguard enters, return a permanent you control to its owner's hand.

Deploy 2 (As this enters, you may tap any number of other creatures you control with total power 2 or more.)
When Domestic Conspirators enters deployed, destroy target artifact or enchantment.