msem-instigator

Foretell {X}{B} (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.)
Target creature gets -X/-X until end of turn. If this spell was foretold, you gain X life.

Sacrifice Proud Lion: Counter target spell that targets you.
Ride {1}{W} ({1}{W}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Pulverize the Intruders deals 4 damage to any target. Create a 4/4 red Giant creature token. It gains haste until end of turn if you control a legendary creature.

Prowess
Landfall — Whenever a land you control enters, create a 1/1 green, blue, and red Elf Scout creature token with prowess.

Target creature you control gets +2/+2 until end of turn. If it's attacking, it gains indestructible until end of turn.

Enchant creature
When Queenscoming Feast enters, draw a card.
Whenever enchanted creature attacks, create a 1/1 white Peasant creature token.

Create three 1/1 white Peasant creature tokens. Scry 1.

Whenever Queensguard attacks, another target attacking Knight or Soldier gains indestructible until end of turn.

When Radiant Rebuker enters, exile target nonland permanent an opponent controls until Radiant Rebuker leaves the battlefield.

Equipped creature gets +2/+1 and has trample.
Whenever equipped creature attacks, other Citizens and Peasants you control get +2/+1 and gain trample until end of turn.
Equip {3}

Look at the top six cards of your library. Put up to one land card and up to two creature and/or planeswalker cards with total mana value 5 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

When Rat King enters, create two 1/1 black Rat creature tokens with “This creature can't block.”
Whenever Rat King or another creature you control dies, each opponent loses 1 life and you gain 1 life.

Flying
When Razorwing Champion enters, creatures you control get +1/+1 and gain vigilance until end of turn.

Scry 2, then draw a card.
If you control a legendary permanent, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Put target artifact, enchantment, or card in a graveyard on the bottom of its owner's library.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Menace
Regal Dragoon gets +1/+1 as long as you control a legendary creature.

Flash
When Reinforced Platemail enters, you may attach it to target creature you control.
Equipped creature you control gets +1/+2.
Equip {3}

Renegade Spellweaver can't be blocked as long as you've foretold a card or cast a foretold spell this turn.

At the beginning of each end step, you may exile target creature card with mana value X or less from your graveyard, where X is the amount of life you gained this turn. If you do, create a token that's a copy of it.

Foretell {3}{G} (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.)
This spell's foretell cost costs {3} less to pay if an opponent drew two or more cards this turn.
Create a 5/5 green Beast creature token with trample.

Flying
Rezzal, the Loamfeaster gets +1/+1 for each nonland card exiled with it.
You may play lands exiled with Rezzal.
{1}{B/G}: Exile target card from an opponent's graveyard. Activate only outside of combat.

Foretell {1}{B}{B} (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.)
Choose one. If this spell was foretold, you may choose both instead —
• Each opponent reveals their hand. You choose a noncreature, nonland card revealed this way. Exile that card.
• Each opponent sacrifices a creature or planeswalker.

Put a +1/+1 counter on up to one target creature.
Draw a card.

Foretell {2}{R} (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.)
Attacking creatures get +2/+0 until end of turn. If this spell was foretold, those creatures also gain trample until end of turn.