msem-instigator

At the beginning of your upkeep, if the number of permanents you control, the number of cards in your hand, and the number of cards in your graveyard are all equal, you win the game.

When Transcended Explorer enters, if you control another enchantment, draw a card.

Menace, lifelink
Once during each of your turns, if you would gain life, you may create a tapped Treasure token instead.

When Student of the Scroll enters, scry 2.

You may spend mana as though it were mana of any color to cast planeswalker spells.
[–1]: Put a -1/-1 counter on target tapped creature.
[–2]: You gain 2 life for each tapped creature your opponents control.
[–3]: Destroy all creatures that attacked a planeswalker you controlled since your last turn.

When Doom Cultist dies, target player loses 2 life and you gain 2 life.

Abilities of creatures you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{T}: Target creature gains haste until end of turn.

When Pandora's Eviction enters, exile target creature an opponent controls until Pandora's Eviction leaves the battlefield.
{4}{W}: Exile Pandora's Eviction. Return it to the battlefield under its owner's control at the beginning of the next end step.

Choose up to one nonland permanent. Return the rest to their owners' hands.

Trample
{1}{B}: Rehis-Dorahn Plowbeast gets +1/+1 until end of turn.

This spell can't be countered.
{R/G}: Target spell can't be countered.

Once each turn, when you activate a nonmana ability, you may have Masked Servant get +1/+1 until end of turn.
{2}{W}: Untap target creature.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
When the fourth spell of a turn is cast, you may unlock Mirror Cipher. If the revealed card is an instant or sorcery card, cast it without paying its mana cost and copy it. You may choose new targets for the copy.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{6}: Unlock Ancient Maze. If the revealed card is green, put it into your hand. Otherwise, put it on top of your library.

Dominik's Shack enters tapped.
When Dominik's Shack enters, you may mill two cards.
{T}: Add {B} or {G}.

Return target creature card from your graveyard to the battlefield. If it's an Azra or Demon, you gain 3 life.

At the beginning of your upkeep, discard a card or sacrifice Infinite Suspension.
Creatures you control get +1/+1 and have flying.

Choose one —
• Purging Light deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.
• Exile target enchantment.

Create a 2/2 red and white Cat Knight creature token. Creatures you control get +1/+1 and gain haste until end of turn.

Perfect Aim deals 5 damage to target creature with flying. When that creature dies this turn, you gain 5 life.

Vigilance (Attacking doesn't cause this creature to tap.)

Target creature gets -4/-0 until end of turn. If you control two or more tokens, draw a card.

When Voiceless Assailant enters, you may search your library for up to three cards named Voiceless Assailant, reveal them, put them into your hand, then shuffle.

Equipped creature can't be blocked except by enchantment creatures.
Whenever equipped creature deals combat damage to a player, you may search your library for a card, exile it, then shuffle. If you don't search your library this way, you may play a card exiled with Runner's Harness.
Equip {1}

Return to your hand all permanent cards in your graveyard that were put there from the battlefield this turn.