Ideas for new Spells

Name of Spell- Volcano
Training Cost (usually in elixir)-45 000 lvl1 55 000 lvl2 65 000 lvl3
Targets- Inferno towers or Tesla's
Effect Type- spell erupts hot lava through the ground removing or severely damaging either a tesla or inferno towers
Training Time-35 minutes
Research/Spell Levels 3
Lab Level 4

Why would you want the spell to target teslas and teslas having a spell that targets something is kinda strange when all the other spells are placed where you want them to be