Bossk, Trandoshan Hunter

Cumulative upkeep, {1}
Reach
{1}{r} Put an age counter on Bossk, Trandoshan
Hunter
When Bossk, Trandoshan Hunter has 5 or more
age counters on him, he gains +3+1, vigilance,
and, At the start of your upkeep add X mana to
your mana pool where X is equal to 3+the
amount of age counters on Bossk, Trandoshan
Hunter.