4 spell suggestions

Lvl 2 druid spell: Entangle-curse: single target, but follows target whereever he goes. no save penalty.
Lvl 2 druid spell: Entangle-bomb: single target. -2(3? 4?) save penalty, but target is FREED from the spell once he has made just one save.
Lvl 1 arcane spell: Web Curse: single target, but follows target whereever he goes. no save penalty.
Lvl 1 arcane spell: Web Bomb: single target. -2(3? 4?) save penalty, but target is FREED from the spell once he has made just one save.