Ancient Bloodlord

Progenitor (Whenever this creature would gain any
number of +1/+1 counters or an ability counter, put
one of the same kind of counters on each creature in
it's bloodline. Whenever this creature dies, destroy
each creature in it's bloodline.)
{b/r}{b/r}: Ancient Bloodlord sires target creature you control that isn't part of a bloodline. Put a +1/+1 counter on Ancient Bloodlord. (The sired creature becomes part of this creature's bloodline.)