msem-instigator

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life unless that player is cursed.

Put two +1/+1 counters on up to one target creature.
Coalesce {6}{G}{G} (You may cast this from your graveyard for {6}{G}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Scry 5.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever Sullivan's Heralds or another creature you control becomes renowned, add mana equal to the number of +1/+1 counters on it in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.

{T}: Add {C}.
{2}, {T}: For each color among cards in your graveyard, add one mana of that color.

When Smuggler of the Santriza enters, you may discard a card. If you do, draw a card.

Whenever Copse Crusher becomes blocked by one or more creatures, it gets +2/+2 until end of turn for each creature blocking it.

This spell can't be countered.
Ward {3}
{W}, Exile Fearsome Xenoblossom from your graveyard: You gain 4 life.

Whenever a storied permanent you control enters, tap target creature an opponent controls. (Enchantments and legendary permanents are storied.)

Spend only black mana on X.
Any number of target players each draw X cards and lose X life.

When Vile Weavers enters, if you control an enchantment, target player loses 3 life.

Whenever a creature you control dies, 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.”)
Whenever you sacrifice a noncreature permanent, each opponent loses 1 life and you gain 1 life.

{T}: Add {C}.
{1}{R}, {T}, Discard a card: Exile the top card of your library. You may play it until the end of your next turn.
At the beginning of combat on your turn, if there are eight or more nonland cards in your graveyard, you may pay {2}{R}{R} and exile this land. When you do, it deals 5 damage to any target.

Haste
Whenever two or more creatures you control deal combat damage to a player, tap those creatures, then gain control of target creature you don't control until end of turn. Untap that creature. It gains haste until end of turn. After this phase, there's an additional combat phase.

Ward—Pay 5 life.
Whenever Ensouled Savior deals combat damage while attacking, you get five glory counters. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

Vigilance
{T}: Add {G}.

Double strike
At the beginning of each end step, if a creature you control died this turn, Tempered Survivor deals 2 damage to each opponent.

Creatures you control get +3/+3 and gain trample until end of turn.
Menagerie — If there are five or more creature types among creatures you control, until end of turn, each of those creatures can't be blocked by more than one creature.

Watchkeeper's Retort deals 2 damage to target creature or planeswalker. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

When Forgotten Wretch enters, you may sacrifice another creature. If you do, draw a card.

At the beginning of combat on your turn, you may exile an instant or sorcery card from your graveyard. If you do, another target Pirate or Rogue gains flying until end of turn.

Amid Flames deals 5 damage to target creature or planeswalker.
You may sacrifice a land. If you do, draw a card.

Improve {1}{B/R} ({1}{B/R}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
At the beginning of each player's combat, you may have that player create two goaded 1/1 red Goblin creature tokens with haste. Exile those tokens at end of combat. (Until your next turn, they attack each combat if able and attack a player other than you if able.)

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
The first instant or sorcery spell you cast on each of your turns costs {U/R} (or {1}) less to cast.
{U}{R}: Angel — Put a flying counter and a prowess counter on Rahstahde.
{5}{U}{R}: Elder — Exile any number of instant and/or sorcery cards from your graveyard. For each card exiled this way, copy it. You may cast the copies without paying their mana costs.