Serum Blended Noble

Death Feed 1: Whenever a creature dealt damage by
this creature this turn dies, put one +1/+1 counter
on this creature.
{r}{r},{t}: Tap two untapped red Creatures you
control: Serum Surge Abomination deals 3
damage to any target.
At the beginning of each upkeep, if no spells
were cast last turn, transform Breakneck Rider.
"Vampire Serum sings day and night; cursing with
thirst and blessing with brawn and sorcery.."