msem-instigator

Equipped creature gets +1/+1. If it's a token, it gets +3/+3 instead.
Equip {2}

Exile all creatures with power 4 or greater.

Destroy target attacking or blocking creature.

Whenever you cast a black spell, you lose 1 life.

As an additional cost to cast this spell, sacrifice a creature.
Exile target creature.

Whenever you cast a noncreature spell, Dynamic Wyvern gains flying until end of turn.

Choose one —
• Counter target spell unless its controller pays {X}.
• Counter target spell with mana value X.

When Catacomb Dredger dies, return another target creature card from your graveyard to your hand.

Flying
Glorious end — When Blinded Avenger dies, if it was tapped, destroy target creature you don't control.

When you cast this spell, you may sacrifice a creature. If you do, copy this spell. (Copies keep functions.)
Search your library for a land card, reveal it, put it into your hand, then shuffle.

Reach
When Headhunter Mantis enters, if a creature you controlled died this turn, create a 1/1 green Insect creature token.

Flying, trample, haste
Dragons you control get +3/+3 as long as you control permanents with total mana value 20 or greater.
Whenever you spend five or more mana to cast a spell or activate an ability, create a 2/2 red Dragon creature token with flying.

Flying, haste
You may reveal each card you draw as you draw it. Whenever you reveal a creature card with mana value 1 or less this way, create a token that's a copy of it. That copy gains haste until end of turn.

As Grim Bastion enters, you may pay 2 life. If you don't, Grim Bastion enters tapped.
{T}, Sacrifice Grim Bastion: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Menace
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)

Flying, trample
Crew 8
When Dragon Emperor's Chariot enters, create a 4/4 red Dragon creature token with flying.
Whenever Dragon Emperor's Chariot attacks, it deals 4 damage divided as you choose among any number of targets.

Create a 4/4 red Dragon creature token with flying.
Showcase {5}{U}{R} (Then if you cast this for its showcase cost, create a 1/1 red Bard creature token that can't block and exile this. Whenever it attacks, you may cast a free copy of this.)

Enchant player
When Curse of Life's Cycles enters, destroy target creature enchanted player controls.
Concord — At the beginning of enchanted player's upkeep, if there are four or more card types among permanents you control, that player loses 1 life and you gain 1 life.

Creatures blocking or blocked by Straw Officer have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Create two 1/1 red Goblin creature tokens.

As an additional cost to cast this spell, pay {2} or sacrifice a creature.
Flying, vigilance

For each legendary permanent you control, this spell costs one mana of one of that permanent's colors less to cast. This effect reduces only the amount of colored mana you pay.
For each color, create a token that's a copy of a different legendary permanent you control of that color, except the token isn't legendary.
Exile The Tale of Kings.

Equipped creature gets +1/+2 and has vigilance.
Equip {3}

When Vespercloak Vampire dies, create a 1/1 black Bat creature token with flying and lifelink.
Foreshadow {3}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

This spell can't be countered.
{U}: Exile Skulkling. Return it to the battlefield under its owner's control at the beginning of the next end step.
{1}{U}: Until end of turn, Skulkling gets +1/-1 and can't be blocked.
{3}{U}: Draw a card. Create a 1/1 blue Rogue creature token.