Forgotten Frozen Emperor

Enchant target creature with Toa Tesukatora in
its name
Toa Tesukatora gains Frozen King-Whenever this
creature takes damage from any source put a
Frost Powder counter onto this creature, this
creature gains +4/+4 for each Frost Powder
counter. Whenever this creature deals damage,
target opponent chooses 4 creatures to have
inflicted with Extreme Iceblight