Death adder' tyrant of the axe

When death adder' tyrant of the axe enters the battlefield, Create two 2/2 black skeleton tokens with haste. whenever death adder' tyrant of the axe deals combat damage, you may pay {4} to do 6 damage to all creatures your opponent controls.
A fearsome descendent of evil giants, Death Adder seeks nothing more than to conquer the world and rule as emperor.