Aspiring Knight

Quest (When this permanent completes its quest for
the first time, draw a card, then put a +1/+1 counter
on it if it's a creature.)
Chivalry 2 (Whenever this creature attacks, you may
tap an untapped creature you control with lesser power.
If you do, this creature gets +2/+2 until end of turn.)
At the end of your combat, if Aspiring Knight's
power is 3 or greater, it becomes a Human
Knight and it completes its quest.