Destructive Overgrowth

Focus {2}{g}(You may cast this card for its focus cost
rather than its mana cost. If you do, change the word
"each" to target". This spell can't be countered.)
Chose one -
- Destroy each artifact you don't control.
- Destroy each enchantment you don't control.
You gain 2 life for every permanent destroyed
this way.