Comet Azur

Cumulative upkeep {2}
Whenever Comet Azure enters the battlefield,
it deals 3 damage to any target.
At the beginning of your upkeep, Comet Azure
deals three times X damage to any target, where
X is the number of age counters on it.
"When Azur glimpsed into the primeval current, he
saw darkness. He was left both bewitched and
fearful of the abyss."