Markov Retribution

Choose one or both —
• Creatures you control get +1/+0 until end of turn.
• Target Vampire you control deals damage equal to its power to another target creature.

Blood

Olivia's Attendants

Menace
Whenever this creature deals damage, create that many Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")
{2}{R}: This creature deals 1 damage to any target.

Pyre Spawn

When this creature dies, it deals 3 damage to any target.

Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Rending Flame

Rending Flame deals 5 damage to target creature or planeswalker. If that permanent is a Spirit, Rending Flame also deals 2 damage to that permanent's controller.

Runebound Wolf

{3}{R}, {T}: This creature deals damage equal to the number of Wolves and Werewolves you control to target opponent.

Sanguine Statuette

When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")
Whenever you sacrifice a Blood token, you may have this artifact become a 3/3 Vampire artifact creature with haste until end of turn.

Human

Stensia Uprising

At the beginning of your end step, create a 1/1 red Human creature token. Then if you control exactly thirteen permanents, you may sacrifice this enchantment. When you do, it deals 7 damage to any target.

Sure Strike

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Heron of Hope

Flying
If you would gain life, you gain that much life plus 1 instead.
{1}{W}: This creature gains lifelink until end of turn.

Vampires' Vengeance

Vampires' Vengeance deals 2 damage to each non-Vampire creature. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Volatile Arsonist // Dire-Strain Anarchist

Day // Night

Volatile Arsonist

Menace, haste
Whenever this creature attacks, it deals 1 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Dire-Strain Anarchist

Menace, haste
Whenever this creature attacks, it deals 2 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Voldaren Epicure

When this creature enters, it deals 1 damage to each opponent. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

She spent many years trying to harness chaos.

Voltaic Visionary

{T}: This creature deals 2 damage to you. Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.
When you play a card exiled with this creature, transform this creature.

She finally realized that chaos was meant to run rampant, as was she.

Volt-Charged Berserker

Voltaic Visionary // Volt-Charged Berserker

Weary Prisoner // Wrathful Jailbreaker

"Your guard attacked me. He got what was coming to him."

Weary Prisoner

Defender
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Wrathful Jailbreaker

This creature attacks each combat if able.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Apprentice Sharpshooter

Reach
Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

Innistrad: Crimson Vow