Konstantin Porubov

"Don't you mean 'poisonous'? There's no such thing as a venomous—AGGHHH!"

Candy Grapple

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
Target creature gets -3/-3 until end of turn. If this spell was bargained, that creature gets -5/-5 until end of turn instead.

"Try some pie! Your brother helped make it, and he really poured his heart into it."

Sweettooth Witch

When Sweettooth Witch enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{2}, Sacrifice a Food: Target player loses 2 life.

When Sweettooth Witch enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{2}, Sacrifice a Food: Target player loses 2 life.

Alabaster Host Intercessor

When Alabaster Host Intercessor enters the battlefield, exile target creature an opponent controls until Alabaster Host Intercessor leaves the battlefield.
Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

When Alabaster Host Intercessor enters, exile target creature an opponent controls until Alabaster Host Intercessor leaves the battlefield.
Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

"Heliod shines his light on all things, excising the shadows of doubt. Rejoice, for beneath his purifying eyes, Theros is united as one!"

Alabaster Host Sanctifier

"You have no viable escape vector. Cease your resistance and accept perfection."

Assimilate Essence

Counter target creature or battle spell unless its controller pays {4}. If they do, you incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Beamtown Beatstick

Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)
Whenever equipped creature deals combat damage to a player or battle, create a Treasure token.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

The Copper Host sought only the strongest converts. In Koma, it found perfection.

Cosmic Hunger

Target creature you control deals damage equal to its power to another target creature, planeswalker, or battle.

Mesmerizing Dose

Enchant creature
When Mesmerizing Dose enters the battlefield, tap enchanted creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Enchanted creature doesn't untap during its controller's untap step.

Enchant creature
When Mesmerizing Dose enters, tap enchanted creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Enchanted creature doesn't untap during its controller's untap step.

By gaze, sting, and claw, Vraska will see the will of Phyrexia done.

Annihilating Glare

As an additional cost to cast this spell, pay {4} or sacrifice an artifact or creature.
Destroy target creature or planeswalker.

What she lacks in skin she makes up in swagger.

Fleshless Gladiator

Corrupted — {2}{B}: Return Fleshless Gladiator from your graveyard to the battlefield tapped. You lose 1 life. Activate only if an opponent has three or more poison counters.

It listens to all of their plans and plots creative ways to turn them to ruin.

Nefarious Imp

Flying
Whenever one or more permanents you control leave the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying
Whenever one or more permanents you control leave the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

"I'm certain there's a shortcut here . . ."

Passageway Seer

Lifelink
When Passageway Seer enters the battlefield, you take the initiative.
At the beginning of your end step, if you have the initiative, put a +1/+1 counter on Passageway Seer.

Lifelink
When Passageway Seer enters, you take the initiative.
At the beginning of your end step, if you have the initiative, put a +1/+1 counter on Passageway Seer.

Hag of Ceaseless Torment

At the beginning of your upkeep, each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

Valiant Farewell

Target creature you control gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, you get a boon with "When you cast your next creature spell, it perpetually gets +2/+0."
Draw a card.

Nefarious Imp // Nefarious Imp

Mothrider Cavalry

This spell costs {2} less to cast if you have no creature cards in hand not named Mothrider Cavalry.
Flying
Other creatures you control get +1/+1.

Bellowsbreath Ogre

Starting intensity 1
Whenever Bellowsbreath Ogre attacks, it deals damage equal to its intensity to any target, then perpetually increase its intensity by 1.

Starting intensity 1
Whenever Bellowsbreath Ogre attacks, it deals damage equal to its intensity to any target. Then Bellowsbreath Ogre intensifies by 1.

Tireless Angler

Whenever an Island enters the battlefield under your control, draft a card from Tireless Angler's spellbook.

Whenever an Island or Swamp enters the battlefield under your control, draft a card from Tireless Angler's spellbook.

Gutmorn, Pactbound Servant

Flying, deathtouch
Whenever Gutmorn, Pactbound Servant enters the battlefield, each player discards a nonland card.
Whenever a player discards a card during your turn, they choose another player. That player conjures a duplicate of that card into their hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Flying, deathtouch
When Gutmorn, Pactbound Servant enters the battlefield, each player discards a nonland card.
Whenever a player discards a card during your turn, they choose another player. That player conjures a duplicate of that card into their hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Veteran Ghoulcaller

Menace
Whenever a card in your graveyard is put into your hand, conjure a duplicate of that card into your hand.

Hinterland Chef

When Hinterland Chef enters the battlefield, draft a card from Hinterland Chef's spellbook. It perpetually becomes a Food artifact in addition to its other types and perpetually gains "{2}, {T}, Sacrifice this creature: You gain 3 life."