Arterial Flow
{1}{B}{B}
Sorcery
Each opponent discards two cards. If you control a Vampire, each opponent loses 2 life and you gain 2 life.
Caligo Skin-Witch
{1}{B}
Creature -- Human Wizard
1/3
Kicker {3}{B} (You may pay an additional {3}{B} as you cast ~this~.)
When ~this~ enters, if it was kicked, each opponent discards two cards.
Tasigur's Cruelty
{5}{B}
Sorcery
Delve (Each card you exile from your graveyard while casting ~this~ pays for {1}.)
Each opponent discards two cards.
Unnerve
{3}{B}
Sorcery
Each opponent discards two cards.