You need more champs and less spells. Go with something like this. It should work somewhat well enough. https://poxbase.com/deck/c8tcpHCofckVcu-ChoCpDcxYC6wCb8s6ZS5Xs1MslsnSFs8Dr2ArHr2PE20e2y Use Defiling so keep units stunned and paralyzed until you can take them out.
