{4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor. Dark Impostor has all activated abilities of all creature cards exiled with it.
"Ah, this is a nice life. I can see why you were so desperate to keep it."
Flying, protection from white When Malakir Bloodwitch enters, each opponent loses life equal to the number of Vampires you control. You gain life equal to the life lost this way.
Flying When Patron of the Vein enters, destroy target creature an opponent controls. Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.
Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.
Madness {X}{R} Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.
Choose one — • Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn. • Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.
As Molten Echoes enters, choose a creature type. Whenever a nontoken creature you control of the chosen type enters, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.
Attacking creatures you control have first strike. Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it. Madness {2}{R}