msem-instigator

Flash
When Cranial Glass enters, exile target card from a graveyard.
{7}, {T}, Sacrifice Cranial Glass: Copy the exiled card. You may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.)

Return target creature card from your graveyard to your hand. If you control a Spirit, draw a card.

When Banishing Initiate enters, you may exile target nonland permanent you don't control until Banishing Initiate leaves the battlefield.
At the beginning of your end step, sacrifice Banishing Initiate if a card exiled with it has mana value 3 or greater.

{1}, {T}: Exile target creature you control until Elsewhere Mirror leaves the battlefield. (It returns to the battlefield under its owner's control.)
{3}: Choose a permanent card exiled with Elsewhere Mirror. Target creature becomes a copy of that card until end of turn.

[+1]: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.
[–2]: Koth, One True Hero deals damage to target creature equal to the number of Mountains you control.
[–7]: Create X 3/1 red Elemental creature tokens with trample and haste, where X is the number of Mountains you control.

Menace
Crew 3 (Tap any number of creatures you control with total power 3 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Ethereal Spellmaster enters, if it was cast, you may search your library for an instant or sorcery card with mana value 3 or less and cast it without paying its mana cost. If you do, shuffle your library. (If it has X in its mana cost, X is 0.)

Target opponent shuffles a card from their hand into their library.

Whenever Insatiable Abomination or another Horror you control enters, each player mills four cards.
Exile a creature card from your graveyard: Tap target Horror you control. It gains indestructible until end of turn.

Flash
When Notorious Smuggler enters, target opponent reveals their hand. Choose a nonland card revealed this way. Copy it. You may cast the copy this turn. (You still pay its costs, including color. Copies of permanents enter as tokens.)

This spell costs {3} less to cast if a creature died this turn.
Put target creature card with mana value X from a graveyard onto the battlefield under your control.

Flying
{3}{U}, Sacrifice Nimbus Fae: Put target creature on top of its owner's library.

Return target permanent card from your graveyard to your hand. You gain 3 life.

Alquyut Mount can't attack or block alone.

Grizzled Woodcutter gets +1/+1 as long as you control an artifact.
Grizzled Woodcutter gets +1/+1 as long as you control an enchantment.

Create a 1/1 white and black Badger Cleric creature token with lifelink. (Then exile this card. You may cast the creature later from exile.)

Reach
Scarecrow spells you cast cost {1} less to cast.

When this creature enters, it seeks secrets or valor. (Give it that Oath Aura. Fulfill secrets by attacking with it and two or more other creatures to draw a card. Fulfill valor by dealing combat damage to a player to create a 2/1 white Soldier token.)
Arise {3}{B}{B} ({3}{B}{B}, Exile this from your graveyard as a sorcery: Create a black token copy of it that's also a Zombie and can't block.)

Each nonland permanent loses all abilities until end of turn.
Draw a card.

Recruit X times. You lose X life. (To recruit, create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Destroy target creature unless its controller pays {3}.

Flying
Sacrifice a creature: Shrieking Nightwing gets +1/+1 until end of turn.

When Artillery Mage enters, it deals 5 damage to target creature you don't control.
{5}{R}, {T}, Discard a card: Artillery Mage deals 5 damage to target creature you don't control.

Destroy target nonland permanent if its mana value is less than or equal to the number of colors among spells you've cast this turn.

{1}{W}: Markov Fencer gains first strike until end of turn. You gain 1 life.