msem-instigator

When Moonshadow Remnant enters the battlefield, destroy target tapped creature.
Mirage {3}{W}{W} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Scry 2, then reveal the top or bottom card of your library. Creatures you control get +X/+X until end of turn, where X is that card's mana value.
Draw a card.

Flash
Enchant creature
When Moved by Instinct enters the battlefield, put a +1/+1 counter on enchanted creature.
Enchanted creature has haste and trample.

Enchant creature
When Mystic's Mantle enters the battlefield, draw a card.
Enchanted creature gets +1/+1.
Mirage {G} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

[+1]: Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.
[0]: You gain 1 life for each card in your hand.
[–7]: Search your library for up to X cards, where X is the number of cards in your hand, and put them into your hand. Then shuffle.

Trial 2 (As you cast this spell, an opponent of your choice may pay 2 life. If they don't, they fail the trial.)
When Nascent Adversary enters the battlefield, if the trial was failed, it gains haste and first strike until end of turn.

When Neo-Alchemist enters the battlefield, you may reappropriate. If you do, distribute two +1/+1 counters among creatures you control. Otherwise, put a +1/+1 counter on up to one target creature you control. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

Flash
Enchant creature
Whenever enchanted creature deals combat damage, put that many +1/+1 counters on it.
When enchanted creature leaves the battlefield, distribute X +1/+1 counters among any number of target creatures you control, where X is the number of +1/+1 counters it had on it.

Deathtouch
When Neophyte of the Old Gods enters the battlefield, rediscover a sorcery card. (Look at the top card of your library. You may reveal it and put it into your hand if it's a sorcery card. Otherwise, put it back or into your graveyard.)

Menace
Ni'Ama's Emissary gets +1/+1 as long as you control a red or white permanent.

{R}{W}{B}, Discard a card named Ni'Ama, God of Adversity: Ni'Ama gains indestructible and becomes a God creature in addition to its other types.
Whenever Ni'Ama enters the battlefield or attacks, it deals 2 damage to each opponent unless they discard a card. You gain that much life. Repeat this process once.

Flash
When Nixie's Edict enters the battlefield, tap up to two target creatures.
{2}{W}, Sacrifice Nixie's Edict: Put up to one target creature into its owner's library second from the top. Activate only as a sorcery.

Return target creature card from your graveyard to the battlefield, then rediscover a creature card. (Look at the top card of your library. You may reveal it and put it into your hand if it's a creature card. Otherwise, put it back or into your graveyard.)

Flying, vigilance
Orzhov Benefactor can't attack or block unless you pay {1} for each debt counter on it.
At the beginning of your upkeep, put a debt counter on Orzhov Benefactor.
{2}: Remove a debt counter from Orzhov Benefactor.

Lifelink
Outskirts Provider enters the battlefield with a +1/+1 counter on it if a creature attacked this turn and wasn't blocked.

Enchant creature
Enchanted creature gets -4/-0.
Mirage {U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

You draw two cards, lose 2 life, and mill two cards.

Defender
Ascend {1}{W}{W} ({1}{W}{W}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

Return target creature you control and target creature you don't control to their owners' hands.

Whenever Penny and Pete attacks, gain control of up to one target noncreature permanent and up to one target creature until end of turn. Untap the noncreature permanent, then tap the creature. It's attacking.

When Phantasmal Samaritan enters the battlefield, you gain 4 life.

Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.

Creatures can't attack you unless their controller pays {2} for each of those creatures.
Mirage {1}{U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Choose one —
• Prevent all combat damage that would be dealt this turn.
• Counter target noncreature spell.

Discard a card, then return up to two creature cards from your graveyard to your hand.