Frost & Flame Siren Sisters

{u}{u}Tap target permanent. Permanent remains tapped for as long as Frost & Flame Siren Sisters remains on the field.
{r}{r}Deal 2 damage to any target. If this ability is used, Frost & Flame Siren Sisters cannot attack or activate any of its abilities for each of the next {x} turns, where {x} is the number of times this ability has been activated.
When opposing forces collide, havoc gains a new meaning! These sirens are as deadly as they are enticing.