Grimmchild

Indestructible, Flying
Grimmchild enters the battlefield as 0/1 creature
When Grimmchild has 3 or more flame counters
on him, he has base power and toughness 2/3
When Grimmchild has 6 of more flame counters
on him, he has base power and toughness 4/5
When Grimmchild has 9 or more flame counters
on him, he has base power and toughness 6/7
and loses Indestructible