Gameplay-wise, I can see why it has so much HP. Realistically, hell no. How about you make it a swarm of Hornets?
Now, as for the balance.. paying 1 for +1/-1 isn't a good investment. Might look fine when you consider this as an isolated card, but we have to take other skill costs and effects into account. Ablaze is +2/+0 for
![Fire :fire](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/fire18x18.png)
, so I guess +2/-1 would be alright. Might need to up the summoning cost by 1 or 2 if you do that.