msem-instigator

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Search your library for a creature card with mana value X or less and put it onto the battlefield. Then shuffle.

Whenever another enchantment you control enters, you may put a progress counter on Corporate War.
[progress 2-5] {W}{B}, Sacrifice a creature or enchantment: Destroy target creature or enchantment.
[progress 6+] Sacrifice a creature or enchantment: Destroy target permanent.
Sacrifice a creature or enchantment: Destroy target permanent.

({T}: Add {B}.)
Corpsebed enters tapped.
When Corpsebed enters, exile up to two target cards from graveyards.

When target creature you control dies this turn, return it or another creature card with an equal or lesser mana value from your graveyard to the battlefield tapped.

Return target creature or planeswalker card from your graveyard to the battlefield. If that card was a creature, it's an Actor in addition to its other types.

Exile a creature card from your graveyard: Put two loyalty counters on Corpus. Activate only as a sorcery and only once each turn.
[–2]: You may sacrifice a creature. If you do, create a 4/4 red Horror creature token with menace. Otherwise, create a 2/2 black Zombie creature token.
[–4]: Search your library for two non-Corpus cards and reveal them. Put one into your hand and the other into your graveyard, then shuffle.

At the beginning of your upkeep, choose one —
• You lose 1 life.
• You draw two cards and you lose 3 life.
• Search your library for a card, put it into your hand, then shuffle. You lose 5 life.

Each player reveals the bottom six cards of their library. For each player, put up to one permanent card revealed this way onto the battlefield under your control.

Surveil 2, then you draw a card and you lose 1 life. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
{2}{B}, Exile Corrupted Knowledge from your graveyard: Each opponent loses 2 life and you gain 2 life.

Glitch {1} (Remove one [restriction] for each time you pay the glitch cost.)
Target opponent reveals their hand. You choose a [noncreature,] nonland card [with mana value 3 or less] from among them. That player discards that card.

(Transform this if it's not attached to a creature. Pay {3}{B} as a sorcery to unattach it.)
Enchant creature you control
Corrupted Mount's rider gets +5/+4 and can't block.

Enchant creature
Enchanted creature gets +3/-2.

Enchant creature
Enchanted creature gets -3/-3 and has “At the beginning of your upkeep, you lose 3 life.”

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw a card. This ability triggers only once each turn.
Equip {1}

Return each card with a cycling ability from your graveyard to your hand. You may cast any number of nonland cards with total mana value X or less from your hand without paying their mana costs, where X is the number of Satrapies you control.

Align X (Choose modes with total ★ less than or equal to X. You may choose modes multiple times.)
• ★ — Draw two cards, then discard two cards.
• ★★ — Draw three cards, then discard a card.
• ★★★★★ — You may cast a spell from your hand and from your graveyard without paying their mana costs.

Cosmic Catastrophe deals 6 damage to target creature or planeswalker. If you control a creature with power greater than its base power, Cosmic Catastrophe deals 3 damage to each opponent.

{T}: Add one mana of any color.
{5}, {T}, Sacrifice Cosmic Chart: Search your library for a card, put it into your hand, then shuffle.

Cosmic Coalescing deals X damage to any target. You may reveal a noncreature card with mana value X or less you own from outside the game and put it into your hand. X can't be 0.
Exile Cosmic Coalescing.

When Cosmic Contraption enters or leaves the battlefield, you may reveal a noncreature card you own from outside the game and put it into your hand.

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.

You may reveal any number of creature cards you own from outside the game with the same name and put them into your hand. Exile Cosmic Lineage.

Converge — Counter target spell unless its controller pays {1} for each color of mana spent to cast Cosmic Sinkhole.

Whenever you cast a spell, you may pay 3 life. If you do, draw a card.

Destroy all creatures and planeswalkers. If five or more colors of mana were spent to cast Cosmic War, return a creature or planeswalker card from your graveyard to the battlefield.