Clovix's Pact

High Noon — Each opponent sacrifices a
creature with the greatest power among creatures
they control. You gain life equal to the number
of creatures sacrificed this way. Then, If an
opponent has a greater life total then you, you
may put all creature cards put into a graveyard
this way onto the battlefield under your control.
They are Vampires in addition to their other
types.
All will join us!