Keldoli Chalyss, Mush-Urchin

Flash
Keldoli Chalyss, Mush-Urchin enters the battlefield with three +1/+1 counters.
Whenever Keldoli blocks, that creature get -X/-X
where X is the number of +1/+1 counters on
Keldoli. Then, remove a +1/+1 counter from
Keldoli at the end of combat.
"Hi, I'm Keldoli!"