[1] Take out his minion first, [2] Use death --> life converts to boost power, [3] He actually has a relatively high fizzle rate, take advantage, [4] Use a Feint (+70%) with each attack
It depends on your school. If you're Death, you need to stock prisms. Also, it might help to have some shields that work against Death spells. If you don't have any, you can buy them at the Bazaar. You might also want to call your minion to take some attention away from you.