Jar Jar Binks, the Foolish

Jar Jar Binks, the Foolish enters the battlefield with X +0/+1 counters on it.
At the beginning of your upkeep flip a coin, if it lands on heads put a -1/-1 counter on Jar Jar Binks, the Foolish, if it lands on tails put a -1/-1 counter on target creature your opponent controls.
"Me-sa, how-ya say... clumsy."