Abandoned Guardian

Enchant target creature with Duremudira in its
name
Duremudira gains Frozen Poison- Whenever this creature takes damage from any source put a Frostbite counter onto this creature, this creature
gains +5/+5 for each Frostbite counter and
Poisonous Erosion- Whenever this creature deals damage, target 5 creatures become 1/1 for 3 turns