msem-instigator

Creatures you don't control get -1/-0 as long as their controller is cursed.

At the beginning of each player's end step, that player sacrifices a permanent.

Whenever an opponent casts a spell, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Spells your opponents cast cost an additional 2 life to cast until your next turn.

When Depthlight Brute enters, if you control three or more artifacts, each opponent loses 3 life and you gain 3 life.

Flying
When Derevi's Adjutant enters, put a +1/+1 counter on each other creature you control.
Cycling {2} ({2}, Discard this card: Draw a card.)
When you cycle Derevi's Adjutant, exile it. You may cast it from exile for as long as it remains exiled.

Trample
When Descendant of Shimaru enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

As an additional cost to cast this spell, pay {2} or sacrifice a creature.
Flying, vigilance

Rapport — Whenever Desraen, Serpent's Will and at least one other creature you control become tapped, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Vigilance (Attacking doesn't cause this creature to tap.)

Flying
At the beginning of your upkeep, exile the top or bottom card of target player's library. That player loses life equal to that card's mana value.

When Diao enters, create two 1/1 white Warrior creature tokens.
Whenever Diao attacks, put a +1/+1 counter on each attacking creature you control with the least power among those creatures.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Damage dealt to tapped creatures your team controls also causes you to gain that much life.
Whenever a nontoken creature you own dies, create a token that's a copy of it.

Converge — Dirty-Pawed Grazer enters with a +1/+1 counter on it for each color of mana spent to cast it.
Dirty-Pawed Grazer can't be blocked by creatures with power 2 or less.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Until your next turn, up to one target creature can't attack or block and its activated abilities can't be activated.
[Lore III] Target opponent skips their next combat phase.

Lionize {G} ({G}, Exile this card from your hand: Put a +1/+1 counter on target creature and it gains the following abilities until end of turn. You may cast this card on a later turn from exile.)
Vigilance, reach

Lifelink
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Divine Shell enters, create three Function tokens with “Tap target creature.” (They're enchantments. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Flying
When Djinn of the Twisted Wish enters, it deals 5 damage to up to one target creature or battle.

{1}, Sacrifice a creature: Create a Treasure token. Exile the top card of your library. You may play that card this turn.

Spells your opponents cast cost {1} more to cast.
Spells you cast cost {1} less to cast.

Concord — When Dolphin Rider enters, if there are four or more card types among permanents you control, you gain 5 life.

Deploy 2 (As this enters, you may tap any number of other creatures you control with total power 2 or more.)
When Domestic Conspirators enters deployed, destroy target artifact or enchantment.

Reach
Whenever a creature dealt damage by Domineering Champion this turn dies, create a 1/1 white Human creature token.

Doomsday Horde enters tapped unless it was foreshadowed.
When Doomsday Horde dies, search your library for a card, put it into your hand, then shuffle.
Foreshadow {3}{B}{B}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Whenever you cast your second spell each turn, you may have Dormant Memory phase out until you cast your second spell in a turn. (While phased out, treat it and anything attached to it as though they don't exist.)
Fleeting {1}{U} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)