Vines to snakes

You create 1d8 + your spell casting modifier amount of vines around you that turns into snakes. Roll a D10 and if its a 10 then all snakes become cobras.

Snakes Hp is 10 + 5 for each level of the spell above 4th

Snakes Ac is 6 + the level of the spell

Cobras Hp is 15 + 5 for each level of the spell above 4th

Cobras Ac is 8 + the level of the spell