msem-instigator

[+1]: Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.
[+1]: Until end of turn, Lucien, the Grifter becomes a legendary 3/3 black and red Human Warrior creature with deathtouch, lifelink, and indestructible.
[–3]: Exile target artifact or creature. You gain life equal to its mana value.

Menace
Whenever Masoh enters the battlefield or attacks, each opponent that has more than four cards in hand discards cards equal to the difference. Then if you have fewer than four cards in hand, draw cards equal to the difference.

[+1]: Draw a card unless an opponent discards a card.
[–3]: Gain control of target creature until the end of your next turn.
[–6]: Choose up to four cards in graveyards. You may play those cards without paying their mana costs.

Flash
If a spell or ability would cause an opponent to create a token, instead you create that token and that player creates a 1/1 blue Fish creature token.

Haste
Whenever Quinn or another creature enters the battlefield under your control, tap all creatures your opponents control.

Choose one or both —
• Each player sacrifices an artifact.
• Each player sacrifices an enchantment.

You may pay {G}{W} and untap four tapped creatures you control rather than pay this spell's mana cost.
Create four 1/1 green Scout creature tokens.

[+1]: Untap up to two target permanents. They gain hexproof until your next turn.
[–2]: Tap up to three target permanents. They don't untap during their controller's next untap step.
[–6]: Exile up to five target permanents. Return those cards to the battlefield under your control.

Whenever you sacrifice a permanent, you may pay {1}. If you do, you draw a card and you gain 1 life.

For each permanent type, you may put a permanent card of that type from your hand onto the battlefield. Exile Set the Stage.

[+1]: Create a 1/1 green Scout creature token. If you control six or more lands, also create a 1/1 white Bird creature token with flying.
[–1]: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.
[–5]: You get an emblem with “Whenever each permanent you control becomes tapped for the first time each turn, untap it.”

Flash
Other Rogues you control get +1/+1.
Rogue spells you cast have flash.

Gain control of target nonland permanent. The player that controlled it creates a 3/3 blue Squid creature token.

Whenever a creature enters the battlefield under your control, Timid Thunderhorn gets +X/+X until end of turn, where X is that creature's power.

Mark (Whenever this creature attacks, mark target creature until end of turn.)
Whenever a marked creature dies, target player discards a card.

{T}, Sacrifice a permanent: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

[+1]: Exile up to one other target permanent until the beginning of its owner's next end step.
[–1]: Return another target planeswalker to its owner's hand.
[–6]: You get an emblem with “Whenever a permanent leaves the battlefield, each opponent discards a card.”

[+1]: Each player discards a card at random, then draws a card.
[–2]: Until end of turn, gain control of target nonland permanent and it gains haste. Untap it.
[–6]: You get an emblem with “Whenever a source you control deals damage to an opponent, gain control of target permanent that player controls.”

{T}, Tap an untapped creature you control: Choose one —
• Add one mana of any color.
• Target player loses 2 life.
• Target player gains 3 life.
• Target player mills four cards.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Other artifacts you control have extort.
Whenever a spell you control resolves, if it was extorted three or more times, each opponent discards a card and you draw a card.

Whenever you sacrifice a permanent, scry 1.
{1}, Sacrifice a nonland permanent: You gain 1 life.

Equipped creature gets +2/+0.
Equipped creature has first strike as long as it's attacking.
Equip {3}

Equipped creature gets +1/+1.
Equipped creature can't be blocked by more than one creature.
Equip {1}

{2}, {T}: Prevent all combat damage that would be dealt to and dealt by target creature this turn.

{T}: Target player mills a card.
{2}, Sacrifice Gilded Cipher: Draw a card.