msem-instigator

Equipped creature gets +2/+2.
Whenever equipped creature attacks, until your next turn, up to one target creature can't attack or block and its activated abilities can't be activated.
Equip {2}

Flying
At the beginning of your end step, untap target permanent you control.

This spell costs {2} less to cast if you've foretold a card from your hand this turn.
Whenever this creature enters or attacks, draw a card, then exile a card from your hand face down. It becomes foretold. (You can only cast it later if it has foretell.)

When Piruz, the Fourth Shah enters, discard your hand. For each creature card discarded this way, create a 3/3 black Demon creature token with flying. For each other card discarded this way, you gain 3 life.
Monument {5}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

This spell costs {2} less to cast if an opponent was dealt combat damage this turn.
When Dastardly Duo enters, audition for black. (Create a 1/1 Construct Actor creature token, a Cleric Role giving 2/2 and lifelink, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)

When Sihari's Groundblazer enters, create a red Aura enchantment token named Searing Crags attached to target land. The token has enchant land, “Enchanted land's name is Charred Causeway” and “Enchanted land has {T}: This land deals 1 damage to each opponent.”

When Persecutor of Truths enters, return target creature card with mana value 2 or less from your graveyard to the battlefield.
Once each turn, when you cast a spell from anywhere other than your hand or another nontoken creature you control enters and wasn't cast, you may draw a card.

Whenever Neon Claw Knight enters or attacks, choose one. Create a Function token with that effect. (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)
• This spell can't be countered.
• This spell costs {R} less to cast.
• If this spell would deal damage to a permanent or player, it deals that much damage plus 1 instead.

Create two 1/1 red Elemental creature tokens. They get +1/+0 and gain haste until end of turn.
Flashback—{1}{R}, Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target spell or nonland permanent. That card's owner casts it without paying its mana cost at the beginning of the next turn's upkeep.

When Rotfeeder Slime dies, you gain 2 life for each creature card in your graveyard.

Put two +1/+1 counters on target creature. (Cast a copy of this spell once while this creature is on the battlefield.)

Deception can't be blocked.
{1}{U}{B}: Target creature can't be blocked this turn. Activate only if Deception is in your graveyard.

Deathtouch

[+1]: Create a 1/1 colorless Human creature token.
[0]: Return target permanent card with mana value 3 or less from your graveyard to your hand. If you have an insight counter, return that permanent card to the battlefield instead.
[0]: You get an insight counter.
[–1]: Target creature can't attack or block until your next turn.

Choose any number —
• Counter target spell unless its controller pays {X}.
• Draw X cards, then discard a card.
• Create a tapped X/X blue Elemental creature token with flying.
Foretell {X}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

{2}, Sacrifice Giant's Remains: Draw a card.
{5}, Exile Giant's Remains from your graveyard: Create a tapped 4/4 black Skeleton Giant artifact creature token.

When you unveil Starlight Guardian, you may put target card from your graveyard on top of your library.
If a card would be put into an opponent's graveyard from anywhere, exile that card instead.

Archive 7 (As this enters, shuffle the top seven cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
As long as you control five or more creatures, you may play permanent cards from the archived library.

Zombiecycling {1}{B} ({1}{B}, Discard this card: Search your library for a Zombie card, reveal it, and put it into your hand, then shuffle.)
Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)

Destroy target enchantment. If it's a Curse, you gain 3 life.

This spell costs {2} less to cast if it targets a creature with an Adventure.
Destroy target creature or planeswalker.

{W}, {T}: Tap target creature.

When The Clocktower Project enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
Tap seven untapped artifacts you control: Draw three cards.

Ganzorig's Domain enters tapped.
When Ganzorig's Domain enters, you may mill two cards.
{T}: Add {R} or {G}.