Atarka's Exclusion

Atarka's Exclusion deals X damage to target
creature, where X is the total power of creatures
you control with power 8 or greater.
Formidable - If the total power of creatures you
control is 8 or greater, instead Atarka's Exclusion
deals X damage to target creature, where X is the
total power of creatures you control with power
4 or greater.