Shadows over Innistrad

At the beginning of each upkeep, if no spells were cast last turn, transform Gatstaf Arsonists.

Haste {1}{R}: Ember-Eye Wolf gets +2/+0 until end of turn.

Target blocking creature fights another target blocking creature.

Create two 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

At the beginning of each upkeep, if no spells were cast last turn, transform Breakneck Rider.

{1}{B}, Sacrifice Vessel of Malignity: Target opponent exiles two cards from their hand. Activate only as a sorcery.

Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Skulk (This creature can't be blocked by creatures with greater power.) When Pale Rider of Trostad enters the battlefield, discard a card.

Destroy target tapped creature. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put i...

Menace (This creature can't be blocked except by two or more creatures.) Whenever Morkrut Necropod attacks or blocks, sacrifice another creature o...

As an additional cost to cast this spell, sacrifice a creature or land. Draw two cards.

{2}{B}, Discard two cards: Return Ghoulsteed from your graveyard to the battlefield tapped.

{3}{B}, Exile Ghoulcaller's Accomplice from your graveyard: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

{1}{W}, Exile Dauntless Cathar from your graveyard: Create a 1/1 white Spirit creature token with flying. Activate only as a sorcery.

Flying When Crow of Dark Tidings enters the battlefield or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life. Madness {1}{B} (If you discard ...

Enchant player Spells you cast that target enchanted player cost {1} less to cast. At the beginning of enchanted player's upkeep, that player loses...

Spells your opponents cast that target Accursed Witch cost {1} less to cast. When Accursed Witch dies, return it to the battlefield transformed und...

{U}, Sacrifice Vessel of Paramnesia: Target player puts the top three cards of their library into their graveyard. Draw a card.

Unimpeded Trespasser can't be blocked.

Skulk (This creature can't be blocked by creatures with greater power.) When Uninvited Geist deals combat damage to a player, transform it.

Whenever you cast an instant or sorcery spell, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")

Flash (You may cast this spell any time you could cast an instant.) Flying