You don't understand the true Feasts of Yahweh. There are many Sabbath's that have nothing to do with it being the 7th day. Here's some great material that might help educate you: YahTube: Michael Rood - A Rood Awakening If you are truly interested in learning, start with the Fall Feasts and the Spring Feasts of the Lord. These are very educational, and will help you better understand the Bible you are reading and how these Sabbath's work.
How do you fit two Sabbaths in your reasoning?
Mary bought the spices after the high Sabbath, she prepared them and then rested on the seventh day Sabbath according to the fourth commandment. That means between the high Sabbath and the seventh day Sabbath there was a normal work day that allowed her to buy the spices. Do you see the problem when you believe a false doctrine, it causes the scriptures to contradict themselves.
Mary bought the spices after the high Sabbath, she prepared them and then rested on the seventh day Sabbath according to the fourth commandment. That means between the high Sabbath and the seventh day Sabbath there was a normal work day that allowed her to buy the spices. Do you see the problem when you believe a false doctrine, it causes the scriptures to contradict themselves.