Clefairy

Outlast{2} & {2}: Monstrosity 2(Activate this ability
only when you could cast a sorcery. Give this creature
two +1/+1 counters, this ability may only be used
once)
While Clefairy has +1/+1 counters, it gains
-1 power and +1 toughness for each.
Clefairy gains Absorb 1 after you cast its
Monstrosity.