Human Champion

Duelist (This creature can't be blocked by more than
one creature.)
Growth (Whenever a creature dealt combat damage
by this creature this turn is put into a graveyard, put
a +1/+1 counter on this creature.)
Lord (Other creatures that share one or more types
with this creature get +1/+1.)
Champion (Whenever another creature that shares
one or more types with this creature enters the battlefield, put a +1/+1 counter on this creature.)