msem-instigator

Search your library for a basic land card and put it onto the battlefield tapped, then shuffle. You gain 1 life for each land you control.

Abyssal Crypt enters tapped.
{T}: Add {U} or {B}.
{2}{U}{B}, {T}, Sacrifice Abyssal Crypt: Draw a card.

When Abyssal Pact enters, you draw two cards and each player loses 2 life.
Players can't gain life.
Damage can't be prevented.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on it and draw a card.
Equip {1}

{T}: Add {C}.
{T}, Exile two cards from your graveyard: Add {B} or {R}.

Draw three cards. Discard two cards at the beginning of the next end step.

Exile target creature or planeswalker and up to one target card from its controller's graveyard.

Whenever a land you control enters, amass Soldiers 1. If that land is a Satrapy, amass Soldiers 2 instead. (To amass Soldiers 2, put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create a 0/0 black Soldier Army creature token first.)

Enchant creature
Enchanted creature gets +2/+2. Other creatures you control get +1/+1.

If a nontoken creature you don't control would die, exile it instead.
Once each turn, you may cast a card exiled with Accursed Existence.

Target player mills X cards, where X is the number of cards in your graveyard.
Flashback {3}{U/B}{U/B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Invigorate 5. (Choose a creature with the least power among creatures you control and put five +1/+1 counters on it.)

As an additional cost to cast Acid Sewage, reappropriate or pay {3}. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)
Destroy target creature.

Your starting life is 24.
{X}, Discard a card: Create a token that's a copy of a creature card with mana value X chosen at random. If X is 11 or greater, choose a creature with mana value X or greater instead. Activate only as a sorcery and only once each turn.

Choose two —
• Untap target nonland permanent.
• Target creature gets +2/+0 until end of turn.
• Target creature gains hexproof until end of turn.

Return target nonland permanent to its owner's hand.
Amass Soldiers 1. (Put a +1/+1 counter on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

Creatures your opponents control get -1/-0.

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with your choice of X counters on it from among +1/+1, flying, first strike, and/or vigilance.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Draw a card.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Menagerie — If there are five or more creature types among creatures you control, creatures you control get +1/+1 until end of turn.

Exile a nonland card from target opponent's graveyard. Copy it. You may cast the copy without paying its mana cost. (Copies of permanents enter as tokens.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Escalate {1}{W} (Pay this cost for each mode chosen beyond the first.)
Choose one or both —
• Return up to two target creature cards from your graveyard to your hand.
• Abound, abound. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (If you exert it, it will still untap for other players.)

Target instant or sorcery spell gains “This spell deals 4 damage to you.”