Anubis is kind of redundant with Quint and Aether Nymphs. Even if it wasn't it would still suck. Crazy expensive, requires a weird duo, low damage high ability cost.
I think that thematically Anubis needs to keep its anti CC theme, being a protector of sorts. Single creature protection won't work since Aether has that covered. I think the way to go is mass CC protection.
My idea: Make it so that when Anubis is on the field, no other card may be targeted until Anubis is destroyed. Its health could be tweaked as well. This way you could protect every creature but not as powerfully as a mass Quint. You still need to fire a couple Owl Eye shots or a Reverse Time before you could get at the other creatures. Powerful, but balanced out with Anubis' high cost and low damage.
It could even be activated or toggled at a cost of Aether if you want to keep the duo.