The Neplodon

Flaying, Ward- pay 20 life (Whenever this creature becomes the target of spells or abilities an opponent controls, counter it unless that player pays 20 life.)
The Neplodon enters the battlefield with ten
+1/+1 counters times the number of creatures
on the battlefield.
When The Neplodon enters the battlefield, if its
manna cost wasn't paid, exile it, and sacrifice a creature.