Does Sylvok Lifestaff work with Bronze Bombshell?
You don't have enough time (since equipping is done 'at sorcery speed'), but it doesn't really matter; you can only equip a creature you control:


  02.6a Equip is an activated ability of Equipment cards. "Equip [cost]" means "[Cost]: Attach this permanent to target creature you control. Activate this ability only any time you could cast a sorcery."