Olepon, the Surviver of Nature

Olepon, the Surviver of Nature can't be countered.
When Olepon, the Surviver of Nature enters the battlefield or attacks, destroy all artifacts and enchantments.
When Olepon, the Surviver of Nature is dealt damage put a +1/+1 counter on Olepon, the Surviver of Nature and Olepon, the Surviver of Nature gains hexproof until the end of turn.