Conga time

Conga music starts to blare as caster  yells CONGA TIME  to activate then Everyone except caster in a 30ft radius  who fails with their reaction or on the start of their turn must use their speed to join they march with you in the lead No one can attack who is marching  as long as they don't take more than X damage at once X being number of people in line including caster conga can get messy . if they pass the first initial throw they  are unaffected. if they fail there is no secondary saving throw they MUST dance. 

attacks are at advantage  and they people have disadvantage on dexterity saves  and strength saves