msem-instigator

This spell costs {1} less to cast for each card you've discarded this turn.
Draw three cards.

Exile target nonland permanent.

Soldiers you control get +1/+1.
Whenever one or more creatures attack, create a 1/1 red Soldier creature token.

Flying
Whenever you cast a spell, create a 1/1 blue Boar Dragon creature token with flying.

Flying
Whenever Cloudfisher deals combat damage to a creature, gain control of that creature for as long as you control Cloudfisher.
Whenever Cloudfisher deals combat damage to a player, gain control of target land that player controls for as long as you control Cloudfisher.

Flying, lifelink
When Cloudshaper Pilgrim enters, return target creature or enchantment card with mana value 3 or less from your graveyard to your hand.

Flying
Whenever Coasting Shaledrake deals combat damage to a player, scry 1.

Whenever Cocky Delinquent is dealt damage, you gain that much life and Cocky Delinquent deals that much damage to up to one target creature or planeswalker you don't control.

For each permanent type, choose up to one target permanent of that type. Exile each of those permanents, then return them to the battlefield under your control. They gain haste until end of turn. At the beginning of your next end step, those permanents' owners gain control of them.

Dominance — At the beginning of combat on your turn, if you control the creature with the greatest power or tied for the greatest power, you may pay {R}. If you do, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

{1}, Exile Coiling Mystic from your graveyard: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Menace
Whenever Coirchanh deals combat damage to a player, return up to one target creature card with toughness 4 or greater from your graveyard to the battlefield with a finality counter on it.
{1}{G}: This creature gets +0/+2 until end of turn.

This creature has trample as long as there are four or more -1/-1 counters among creatures.
{3}{B}: Put a -1/-1 counter on target creature.

Creatures have “Whenever this creature attacks or blocks, it fights another target creature.”

Create a 1/1 colorless Construct Actor creature token for each creature you control.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

When Colony Queen enters, create three 1/1 green Insect creature tokens.
Insect tokens you control have flying and deathtouch.

Whenever one or more cards are put into your graveyard from your library, exile one of those cards.
Whenever Colossal Hermit deals combat damage to a player, you may cast a card exiled with it without paying its mana cost.

{R}: You may put a Rebel creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Bleed {2}{B} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Destroy target creature. Its controller loses 2 life.

When Compulsion's Voice enters, gain control of target permanent until end of turn. Untap that permanent. It gains haste until end of turn.
Recite {1}{U}{R} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters or if it would leave the battlefield.)

When Condemned Cavalier enters, create a white and black Aura Curse enchantment token named Profane March attached to target player. The token has enchant player and “Whenever a creature enchanted player controls attacks, that player loses 1 life and defending player gains 1 life.”

Flying
At end of combat on your turn, untap all creatures you control with power greater than their base power.

When Conflux Ravager enters, destroy target nonland permanent an opponent controls.
Cycling {2} ({2}, Discard this card: Draw a card.)

As a spell you control is countered by a spell or ability an opponent controls while you control a Mountain, you may reveal Confront the Riddlemaster from your hand. When you do, cast it without paying its mana cost.
This spell can't be countered.
Confront the Riddlemaster deals 4 damage to any target.

Draw three cards.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)