msem-instigator

Harmony — Tap target creature. That creature doesn't untap during its controller's next untap step.
When Chilling Musician enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Target creature gets +4/+4 until end of turn. Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

When Cognitive Fumigator enters, target opponent reveals their hand. You may choose a nonland card from it and exile that card. If you do, that player draws a card.
Recite {2}{U} (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.)

Whenever a land enters, Collapsing Realities deals 2 damage to each player.

Look at the top five cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Abound. Then search your library for a creature, instant, or sorcery card, reveal it, put it into your hand, then shuffle. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

Escalate {G} (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Target creature gets +3/+2 until end of turn.
• Target creature gains trample and hexproof until end of turn.

Escalate {B} (Pay this cost for each mode chosen beyond the first.)
Choose one or both —
• Put target permanent on top of its owner's library.
• For each library, look at the top three cards of that library, put any number of them into their owner's graveyard, then the rest back on top in any order.

Counter target spell. Return up to one target permanent you control to its owner's hand.

Harmony — Target player mills four cards.
When Creeping Pianist enters, harmonize. (Trigger up to one harmony of one permanent you control.)

When Croakfolk Troubadour enters, draw a card.

Enchant creature
When Crown of Spores enters, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)
Enchanted creature gets +2/+2.

Escalate {R}{R} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Culminating Chaos deals 2 damage to each creature and each planeswalker.
• Exile the top two cards of your library and add {R}{R}. Until end of turn, you may play those cards.

Escalate {U}{U} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Return target permanent to its owner's hand.
• Shuffle any number of cards from your hand into your library, then draw that many cards plus one.

Escalate {B}{B} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Destroy target creature.
• Target player draws two cards and loses 2 life.

Escalate {W}{W} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Create two 1/1 white Spirit creature tokens with flying.
• You gain 6 life.

Escalate {G}{G} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Create a 3/3 green Beast creature token.
• Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Enchant opponent
When Curse of Bleeding enters, enchanted player loses 2 life.
Enchanted player can't gain life.

Enchant opponent
Whenever enchanted player plays a land, you may put a land card from your hand onto the battlefield.

Enchant opponent
Whenever a creature enters under enchanted player's control, that player loses 1 life and you gain 1 life.

Enchant opponent
Creatures enchanted player controls get -1/-0.

Enchant opponent
Whenever a creature you control deals combat damage to enchanted player, draw a card.

Enchant opponent
The first time enchanted player chooses targets each turn, reselect each of those targets at random.

Enchant opponent
Creatures enchanted player control lose hexproof and indestructible and can't have or gain hexproof or indestructible.