msem-instigator

Double strike
Attain {3}{R} ({3}{R}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Create three 2/1 red and white Fox creature tokens.

Counter target spell unless its controller pays {1}.
Metamorph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

If you would catalyze, catalyze twice instead. (The next spell you cast this turn costs {1} less to cast.)
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.

Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
Voice of the Universe deals 2 damage to each creature.

Target creature gets -X/-X until end of turn, where X is 2 plus the number of cards named Undead Servant in your graveyard.
As long as this card is in your graveyard, its name is Undead Servant.

Enchant creature
When Eternal Banishment enters, put a +1/+1 counter on enchanted creature.
Remove a +1/+1 counter from enchanted creature: Exile target creature an opponent controls until Eternal Banishment leaves the battlefield. Activate only as a sorcery.

Choose any number of permanents and/or players, then give each another counter of each kind already there.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Equipped creature gets +2/+2 and has deathtouch and lifelink.
Whenever equipped creature dies, you may exile it. If you do, return target Knight or Soldier card from your graveyard to the battlefield tapped, then attach The Roseblade to it.
Equip {2}

Aristocrat's Gallery enters tapped.
When Aristocrat's Gallery enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {G} or {U}.

When Recruits of the Demeter enters, draw a card if you control another Pirate.

Reach
When Hoarding Arachnid dies, draw a card.

You may play an additional land this turn.
Draw a card.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Reach
When this creature dies, create a 1/1 red Dwarf creature token.

{G}{W}, {T}: Remove a -1/-1 counter from target creature.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

{1}, Sacrifice a creature or enchantment: Exile the top card of your library. You may play that card this turn.

When Atlas of Worlds enters, search your library for any number of land cards with different names and exile them, then shuffle.
You may play lands exiled with Atlas of Worlds.

Haste
When Magmatic Violator enters, target opponent sacrifices a creature.
At the beginning of the end step, sacrifice Magmatic Violator.

Flying
When Ascended Explorer enters, return target creature card with mana value 2 or less from your graveyard to the battlefield.

({T}: Add {W} or {U}.)
As Ruptured Square enters, you may pay {1}. If you don't, Ruptured Square enters tapped.

Whenever a creature you control enters, if its mana value is greater than the number of bloom counters on From a Seed, put a bloom counter on From a Seed.
Creatures you control get +1/+1 for each bloom counter on From a Seed.

Flying
Ward—{2}, Pay 2 life.
At the beginning of your end step, if a card was put into or left your graveyard this turn, put a +1/+1 counter on Tormentor of Graves.

Put target creature on top of its owner's library. All other creatures that player controls get -2/-2 until end of turn.

Whenever you sacrifice a permanent, Overseer of Armies deals 1 damage to each opponent and each battle they protect.

Ominous Lair enters tapped unless you have 15 or less life.
{T}: Add {W} or {B}.