Xenbrenon, Paragon of Valor

Hexproof, lifelink, first strike
Other knights you control get +1/+2 and first strike.
Whenever a creature an opponent controls enters the graveyard from play, you may put 2 +1/+1 counters on Xenbrenon, Paragon of Valor.
The scion entered the battlefield and his army knew fear no more.