Dawnfeather Dragon

Flying, Lifelink, Vigilance, First Strike
Whenever this creature attacks, other creatures you control gain +2/+1 and Vigilance until end of turn.
Whenever this creature blocks, other creatures you control gain +1/+2 and Flying until end of turn.
"The sun gleaming off of its feathers and its battle-cry are all that it takes to inspire an army to win a war".
-General Argeth, Veteran Hero