If youre in a pod where one of your opponents runs an enchantment matters deck with many curse spells, then Witchbane Orb could be a good addition for the protection and removal you need since it can slot into any colored deck
When this enchantment enters, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach this enchantment to it
Will this replace Craterhoof Behemoth
You can also take advantage of both individual and mass blinks, like Felidar Guardian and Laezels Acrobatics to not only get more Cat per cat, but also protect Arahbo should he get targeted
Othelm will see that it went to the graveyard from the battlefield that turn and will let you bring it back for 2 mana, giving you two ETB triggers, often for less than the cost of casting the Evoke creature for its normal casting cost
Emerald then takes over with characters like Peter Pan Lost Boy Leader, who can dart across locations to gather Lore before your opponent can react