Measure out rice chex cereal and place into large bowl.
Place cake mix and powdered sugar into a large plastic container with lid.
Melt chocolates together in microwave.
Be careful not to burn, stir occasionally.
Stir in cream cheese and milk.
Pour chocolate over rice chex cereal and stir.
Dump cereal into bag or container with powdered mix.
Shake until coated.
Dump onto cookie sheet and let cool.
Mix with colored candies.