Frothing Limb-snapper

Shimmer {2}{u}{r}: You may cast Frothing Limb-snapper for its Shimmer cost. If you do,
Frothing Limb-snapper becomes an illusion in addition to its other creature types, and has
"When this creature becomes the target of a
spell, sacrifice it."
Frothing Limb-snapper enters the battlefield
with two +1/+1 counters on it if you cast it for
its Shimmer cost.