Armored Savagery

Whenever you destroy a creature you don't
control, you may draw a card.
Whenever you draw a card or play a creature
card with converted mana cost 4 or more,
Destruct 1 (When a card Destructs, choose up to 2 creatures you control and 2 creatures an opponent
controls. Then, destroy all non-land permanents that
weren't chosen.)