Gelectrode

{T}: This creature deals 1 damage to any target.
Whenever you cast an instant or sorcery spell, you may untap this creature.

Ghost Council of Orzhova

When Ghost Council of Orzhova enters, target opponent loses 1 life and you gain 1 life.
{1}, Sacrifice a creature: Exile Ghost Council of Orzhova. Return it to the battlefield under its owner's control at the beginning of the next end step.

Glint-Eye Nephilim

Whenever this creature deals combat damage to a player, draw that many cards.
{1}, Discard a card: This creature gets +1/+1 until end of turn.

Goblin Flectomancer

Sacrifice this creature: You may change the targets of target instant or sorcery spell.

Ink-Treader Nephilim

Whenever a player casts an instant or sorcery spell, if that spell targets only this creature, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.

Invoke the Firemind

Choose one —
• Draw X cards.
• Invoke the Firemind deals X damage to any target.

Izzet Chronarch

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Martyred Rusalka

{W}, Sacrifice a creature: Target creature can't attack this turn.

Killer Instinct

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Leap of Flame

Replicate {U}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Target creature gets +1/+0 and gains flying and first strike until end of turn.

Mortify

Niv-Mizzet, the Firemind

Flying
Whenever you draw a card, Niv-Mizzet deals 1 damage to any target.
{T}: Draw a card.

Orzhov Pontiff

Haunt (When this creature dies, exile it haunting target creature.)
When this creature enters or the creature it haunts dies, choose one —
• Creatures you control get +1/+1 until end of turn.
• Creatures you don't control get -1/-1 until end of turn.

Pillory of the Sleepless

Enchant creature
Enchanted creature can't attack or block.
Enchanted creature has "At the beginning of your upkeep, you lose 1 life."

Rumbling Slum

At the beginning of your upkeep, this creature deals 1 damage to each player.

Savage Twister

Savage Twister deals X damage to each creature.

Guildpact