Thoughtseize

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Bloodghast

Bloodghast can't block.
Bloodghast has haste as long as an opponent has 10 or less life.
Landfall — Whenever a land you control enters, you may return Bloodghast from your graveyard to the battlefield.

Master of the Feast

Flying
At the beginning of your upkeep, each opponent draws a card.

Seizan, Perverter of Truth

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Darkness

Prevent all combat damage that would be dealt this turn.

Sign in Blood

Target player draws two cards and loses 2 life.

Sheoldred, the Apocalypse

Deathtouch
Whenever you draw a card, you gain 2 life.
Whenever an opponent draws a card, they lose 2 life.

Dash Hopes

When you cast this spell, any player may pay 5 life. If a player does, counter Dash Hopes.
Counter target spell.

Swamp

Imp's Mischief

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Blood Pact

Underworld Dreams

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Damnation

Destroy all creatures. They can't be regenerated.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.