Winter's Chokehold

Enchant creature
Fever (At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.)
Enchanted creature can't attack or block, and its activated abilities can't be activated.
At the beginning of your upkeep, if your
opponent controls an enchantment named Calamitous Child, choose a creature.
Create a token that's a copy of Winter's Chokehold
and attach it to the chosen creature.