msem-instigator

Reveal the top three cards of your library and put them into your hand. If this spell was cast from your graveyard, each opponent loses life equal to the total mana value of those cards. Otherwise, you lose that much life.
Flashback {4}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever you activate a loyalty ability of a planeswalker, you gain 1 life.

{T}: Add {C}.
{2}, {T}, Sacrifice Arcor Diamond: Draw a card.

Enchant opponent
Spells you cast that target enchanted player cost {2} less to cast.

Search your library for a creature or planeswalker card, reveal it, put it into your hand, then shuffle.

Creatures you control get +4/+4 and gain trample until end of turn.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Shoupan Shrine enters tapped.
{T}: Add {B} or {R}.
{B/R}, {T}, Sacrifice Shoupan Shrine: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

Whenever you cast a noncreature spell, Prowling Frost-Tiger gets +1/+1 and gains hexproof until end of turn.

When Ominous Presence enters, search your library for a Curse card, reveal it, then shuffle. If it has mana value 4 or less, you may put it onto the battlefield. Otherwise, put it into your hand.
Ominous Presence gets +1/+1 for each Curse attached to your opponents.

Flying, vigilance
Protection from Humans (This creature can't be blocked, targeted or dealt damage by Humans.)

As an additional cost to cast this spell, sacrifice a creature.
Enchant creature
Enchanted creature gets +4/+4, has flying, and is a Demon in addition to its other types.

Trample
{1}{G}{W}, Discard Enduring Force: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
{G}{W}: Return Enduring Force from your graveyard to your hand. Activate only as a sorcery.

Menace (This creature can't be blocked except by two or more creatures.)
Civilized — Whenever Subjugator of Empires attacks, if you control an artifact, a creature, and an enchantment, each opponent discards a card, sacrifices a creature, and loses 3 life.

First mate—Each nonland card in your starting deck is an instant or has flash. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Flash
When Mable enters, you gain 2 life and draw a card.

Gain control of target noncreature permanent.
Coalesce {8}{U}{U} (You may cast this from your graveyard for {8}{U}{U}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

{2}: Add one mana of any color.

Destroy all artifacts and enchantments with mana value 1 or less.
Draw a card.

Parasol Twirler has flying as long as you control an artifact.

Choose one —
• Purging Light deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.
• Exile target enchantment.

Armed — Merciless Brute gets +2/+2 as long as it's equipped.

({T}: Add {B}, {R}, or {G}.)
Primal Dominion enters tapped.

Destroy target creature. Mill a number of cards equal to its power.

Counter target spell. If a noncreature spell is countered this way, scry 2.

Flash
{3}, Exile this card from your graveyard: Draw a card.

Whenever you cast your first instant or sorcery spell each turn, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)