Wrath of the Originals

As long as it's your turn this Enchantment is also
a creature
During your second main phase if an opponent
lost life this turn spells you cast with mana cost
{5} or higher cost {2} less to cast, if a creature
died this turn spells you cast can't be countered
until the end of your turn.
Wrath of the Originals can be your commander