Gold Dragon

Flying, Vigilance, Age-Up: {1}{r}{w} (add an age
counter as a sorcery), Age 2+: Lifelink, Age 3+: Menace, Age 4+: Protection from Black
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 Gold Dragon has an age counter put
on it, creatures an opponent controls get -X/-0
until the start of your next turn, where X equals
Gold Dragon's power.