Aettir and Priwen would be the only other equipment I would target at this CMC
Sapphire Sapphire Ink cards are all about strategy, the playstyle may require a little bit more planning and preparation as a whole deck to get the upper hand, they are not going to be the strongest in terms of stats but well experienced players will find them the most fun to execute against others
But putting this and Green Goblin into a Grixis deck makes for a strong foundation
The best equipment MTG has to offer depends on your decks needs and win condition
Beyond these, Equipment like Bladed Battle-Fan, Silver Shroud Costume, and Hidden Blade, a new card from Universes Beyond: Assassins Creed , all provide different types of immediate protection for Basim
(It's not a creature.) Enduring Innocence's second ability checks the power of the other creatures only at the moment they enter