msem-instigator

Choose one —
• Copy target instant, sorcery, or Equipment spell you control. You may choose new targets for the copy.
• Create a token that's a copy of target Equipment you control.

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever a source you control deals noncombat damage to a player, draw a card from the archived library.

Haste
Each creature with toughness greater than its power can't block.

{T}: Put a luster counter on Object of Awe.
{1}{R}, {T}: Discard up to X cards, then draw a card for each card discarded this way. X is the number of luster counters on Object of Awe.
{3}{R}: Until end of turn, Object of Awe becomes an X/X red Phoenix creature with flying, where X is the number of luster counters on Object of Awe.

Whenever Nightly Herald attacks, it deals damage to the defending player equal to the number of Wolves and Werewolves you control.

Whenever a creature dealt damage by Mooncursed Howler this turn dies, create a 2/2 red Werewolf creature token with first strike.

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you cast a spell from your hand, you may cast a card from the archived library with a lesser mana value without paying its mana cost.

You get a fuse counter, then Ignition Sequence deals X damage to any target, where X is 2 plus the number of fuse counters you have.

Equipped creature gets +1/+0 and has first strike.
As long as another artifact named Dueling Blades is attached to a creature you control, equipped creature has double strike.
Equip {1}

Archive 13 (As this enters, shuffle the top thirteen cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
At the beginning of your upkeep, you lose half your life, rounded up, and you draw half of the cards from the archived library, rounded up.

Whenever you draw a card except for the first one you draw in each of your draw steps, each opponent loses 1 life.

At the beginning of your end step, each opponent loses 1 life for each permanent they own that you control.

Choose target player, then choose two —
• That player loses 2 life.
• That player draws two cards.
• Put two -1/-1 counters on target creature that player controls.

Target player reveals their hand and discards all nonland cards that share a name with a card in their graveyard. If no cards were discarded, draw a card.

{3}{B}, {T}: Choose a card name. Target player reveals cards from the top of their library until they reveal a card with the chosen name. If they do, put the revealed cards into their graveyard. Otherwise, they shuffle their library.

[+1]: Each opponent puts a -1/-1 counter on a creature they control.
[–1]: Exile target card in a graveyard. You gain life equal to its mana value.
[–6]: Choose a number. You draw that many cards and you lose that much life.

Whenever you lose 2 or more life during your turn, put two blood counters on Hemomancy.
{1}{B}, Remove X blood counters from Hemomancy: Return target creature card with mana value X from your graveyard to the battlefield.

The controller of target creature sacrifices it. You may return it to the battlefield under your control. If you do, sacrifice it.

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from the archived library, target opponent loses 3 life unless they discard a card or sacrifice a nonland permanent.

Whenever equipped creature deals combat damage to a player, draw a card.
Whenever a Vehicle you control becomes a creature, you may attach Planar Uplink to it.
Equip {U}

Enchant creature or planeswalker
You control enchanted permanent.
Permanents you control but don't own have hexproof.

Flash
Whenever Nsimi's Scrambler deals combat damage to a player, look at that player's hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of their library, then draws a card.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
If you would draw a card from an archived library, draw a card from each of your archived libraries instead. (Archived libraries are those that still have their Study in play.)

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from the archived library, each opponent mills two cards.

[+1]: Create a 0/1 blue Illusion creature token.
[–2]: Put target creature on top of its owner's library.
[–6]: You get an emblem with “Whenever you draw a card, target opponent mills six cards.”