Jar Jar Binks

When Jar Jar Binks enters the battlefield, roll a D20. If it is a 10 or above, Jar Jar Binks gains a +1/+1 counter.
Whenever Jar Jar binks attacks, roll a D20. If it is 10-19, Jar Jar Binks gains a +1/+1 counter. If it is 20 or above, Jar Jar Binks gains a +2/+2 counter.