Planequest Familiar

Flying, protection from red
Whenever you cast an instant or sorcery spell,
put a +1/+1 counter on Planequest Familiar.
{t}, {u}, sacrifice a permanent: remove a number
of counters from target permanent equal to
Planequest Familiar's power.
When Planequest Familiar dies, scry x, where
x is its toughness.