msem-instigator

Whenever equipped creature deals combat damage, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage dealt this way.
Equip {1}

{1}, {T}: End the turn. Activate only during your turn.

{T}: You may pay {0} rather than the mana cost of the next spell you cast this turn. Activate only if you have no cards in hand.

Whenever equipped creature attacks, it deals damage to defending player equal to the number of instant and sorcery cards in your graveyard.
Equip {2}

Flying
Whenever a player shuffles their library, Steamquiver Strix deals 2 damage to that player.

Equipped creature gets +5/+5.
Whenever equipped creature becomes blocked, destroy all other creatures.
Equip {5}

Flying
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{5}: Each opponent sacrifices a nonland permanent.

At the beginning of each upkeep, choose one or more —
• Untap target artifact.
• Untap target creature.
• Untap target land.

{T}: Each player draws a card.

Whenever equipped creature deals combat damage to a player, return to your hand all cards from your graveyard that were put there this turn.
Equip {3}

When Servant of Armageddon dies, destroy all creatures.

{3}, {T}: Scry 3.
{5}, {T}: Fateseal 3.
{7}, {T}: Draw two cards.

As long as equipped creature has power 3 or less, it can't be blocked and it can't be the target of spells and abilities you don't control.
Equip {1}
Whenever Ring of Souls becomes attached to a creature, an opponent of your choice may create a 2/2 black Spirit creature token.

{T}: Add {C}. You gain 1 life.
Pristine Frame gets +2/+2 and has flying as long as you have 25 or more life.

At the beginning of your upkeep, you may choose one —
• Put a card from your hand on the bottom of your library. If you do, draw a card.
• Discard a card. If you do, put the bottom card of your library into your hand.

Creatures with power greater than the number of cards in their controller's hand can't attack.

Nonartifact spells cost {1} more to cast.

Activated abilities cost {1} more to activate unless they're mana abilities.

Equipped creature gets +4/+4.
Whenever equipped creature deals combat damage, sacrifice it.
Equip—Sacrifice a creature.

{T}, Pay 1 life: Put a charge counter on Eternity Pendant.
If you would lose the game, instead your life total becomes equal to the number of charge counters on Eternity Pendant, then put Eternity Pendant on top of its owner's library.

When Encrypted Monument is put into your graveyard from anywhere, you may pay {2} and exile it. If you do, draw two cards.

{1}, {T}: Exile target creature you control until Elsewhere Mirror leaves the battlefield. (It returns to the battlefield under its owner's control.)
{3}: Choose a permanent card exiled with Elsewhere Mirror. Target creature becomes a copy of that card until end of turn.

As Drop of Envy enters, choose a nonland permanent card name.
All cards not on the battlefield, spells, and permanents with the chosen name are legendary.

{T}, Sacrifice X lands: Search your library for a nonland card with mana value X, cast it without paying its mana cost, then shuffle.

When Crux Pinnacle enters, for each color, exile up to one target permanent of that color until Crux Pinnacle leaves the battlefield.
Whenever a player casts a spell, if there are five or more spells on the stack, you win the game.