msem-instigator

Equipped creature gets +3/+3.
Equip {4}
Equip creature with power 5 or greater {1}

If a player would draw one or more cards except for the first one they draw in each of their draw steps, they exile a card from their hand before they draw those cards.
{1}, {T}: Until end of turn, you may play target card exiled with Compromised Vault, and you may spend mana as though it was mana of any color to cast that spell.

Legacy (You may play this side of this card only from your graveyard. Exile it if it would leave the battlefield or not resolve.)
Whenever a Warrior you control becomes the target of a spell or ability an opponent controls, that player loses 1 life and discards a card, then you draw a card and gain 1 life.

An opponent separates all noncreature, nonland cards in your graveyard into two piles. Put one pile into your hand and exile the other. Exile Conflicting Records.

{T}: Mill three cards. Scry 1.
{1}, Sacrifice Consecrated Altar: Counter target spell or ability that targets you or one or more cards in your graveyard.

When Cosmic Expansion enters, draw a card, then choose a card name.
Whenever one or more creatures you control with the chosen name deal combat damage to a player, you may create a token that's a copy of another target artifact or enchantment you control.

As an additional cost to cast this spell, tap an untapped Warlock you control.
Search your library for a card and put it into your hand or graveyard, then shuffle.

As Coveted Tower enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {G}, {U}, or {R}.

Whenever a creature an opponent controls becomes blocked, put a -1/-1 counter on that creature.

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.

{T}: Add {C}.
{3}{G}: Until end of turn, Damian's Undercity becomes a 2/2 creature. It's still a land. It has lifelink if {W} was spent to activate this ability, gets +0/+3 if {U} was spent, and has deathtouch if {B} was spent.

As Damian, the Boss enters, pay up to 5 life. He enters with that many additional loyalty counters.
[–X]: You gain X plus 3 life.
[–1]: You draw a card and each opponent discards a card.
[–4]: Destroy up to one target creature. Create a 3/3 green Mole creature token.

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

Whenever a creature becomes the target of a spell or ability you control, you may destroy that creature. If you do, you lose 2 life.
If you would return a creature card from your graveyard to your hand, you may return it to the battlefield instead. If you do, you lose 2 life.

As long as it's your turn, Defect 37 is a 7/7 Vehicle artifact with crew 2.
[+1]: Creatures and Vehicles you control get +1/+1 until end of turn.
[–1]: Put target permanent into its owner's library, third from the top. If Defect 37 is on the battlefield, return her to her owner's hand.
[–6]: Until end of turn, each noncreature, nonland permanent you control becomes a creature in addition to its other types with base power and toughness each equal to their mana value or base power, whichever is greater.

{T}: Add {C}.
{3}{R}: Until end of turn, Defect's Precinct becomes a 3/3 creature. It's still a land. It has trample if {G} was spent to activate this ability, has vigilance if {W} was spent, and has hexproof if {U} was spent.

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.)
Whenever you draw a permanent card from the archived library, you may have Defect's Study become a copy of it until end of turn.

Flying, vigilance
Whenever you attack, if you've cast a spell from a graveyard this turn, you may pay {1}{W}. If you do, put Defender of Carü Mapu from your graveyard onto the battlefield. It's attacking.

Dekinn, Depths Spirit can't attack or block unless a player has lost 3 or more life this turn.
At the beginning of each player's upkeep, that player may create a Mountain token. If they do, Dekinn deals 3 damage to them.
When Dekinn dies or is put into exile from the battlefield, you may put him into his owner's library third from the top.

As Den of Vice enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {U}, {B}, or {R}.

For each creature that's attacking you or a planeswalker you control, create a 1/1 blue Bird creature token with flying.

As Destroyed Isle enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {U}, or {B}.

{2}, {T}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. Activate only as a sorcery.

Archive 4 (As this enters, shuffle the top four cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
At the beginning of each opponent's upkeep, that player may pay 2 life. If they do, you gain 2 life. Otherwise, you draw a card from the archived library.

Menace
When Devious Kalku enters, you may search your library for a card, put that card into your graveyard, then shuffle.