Brass Dragon

Flying, Vigilance, Age-Up: {1}{u}{r} (add an age
counter as a sorcery), Age 2+: Brass Dragon has:
"{u/r},{t}: Tap target creature.", Age 3+: Menace,
Age 4+: Indestructible
Age (The creature enters the battlefield with 1
age counter. For each age counter, it gets +2/+1
and any benefits noted at specific ages. A creature
can't have more than 4 age counters.)
Whenever Brass Dragon has an age counter put
on it, exile target instant or sorcery from a
graveyard and copy it.