Defusing bubble

You create a 15 ft radius sphere centered on a point that you can see within range. The air in this sphere crackles with magical energy causing a disruption to the normal flow of magic. any creature within the spells area that makes a constitution saving throw in order to maintain concentration on a spell makes that saving throw with disadvantage. Additionally any creature that is concentrating on a spell and starts its turn within the area of the spell or enters the spell for the first time on it's turn must immediately make a constitution saving throw with against your spell save DC or lose concentration on the spell. Furthermore Any time a creature within the area of the spell attempts to cast the spell they must first succeed an Int saving throw against your spell save DC or have the spell fizzle upon casting and waste the spell.