Whenever your team attacks with exactly two creatures, those creatures gain double strike until end of turn. Whenever chaos ensues, untap up to two target creatures your team controls. If it's a main phase, there is an additional combat phase after this phase, followed by an additional main phase.
{TK}{TK} — Hellbent — This creature gets +3/+3 as long as you have no cards in hand. {TK}{TK}{TK}{TK} — {2}, Sacrifice this creature: It deals X damage divided as you choose among any number of target creatures, where X is its power. {TK}{TK} — 1/5 {TK}{TK}{TK} — 6/3
Play with the top card of your library revealed. As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.
Menace When Vampire Socialite enters the battlefield, if an opponent lost life this turn, put a +1/+1 counter on each other Vampire you control. As long as an opponent lost life this turn, each other Vampire you control enters the battlefield with an additional +1/+1 counter on it.