Here are the summaries of each.

Unlucky Ducks
One day while walking in the park. Bloom and Sky are approached by a woman that gives them a coin and tells them to keep it. They hesitantly and confusedly do so and she leaves. After that moment weird things start happening.
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To whom I share blood with
One day in a surprise ambush by the Trix. Tecna discovers a mark on Stormy's leg that looks like one that she has on her leg. A few days later at night she goes to her cell and takes some blood and figures out they're related to each other. How could this have happened?
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Glory and Gore

This story is based on the song Glory and Gore by Lorde. Click the song title below to listen to the song. Primarily about the winx and Trix.
The trix finally win and the fate of the winx is nerve wrecking.
link
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Futuristic
One day while Musa and Tecna are making a time traveling device. It is accidentally activated. The 2 wake up in an unknown area and discovered they have traveled 12 years into the future and must figure out how to get back before it becomes irreversible.
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All of my past
Based on the song Luck by American Authors. Flora's past is told. Click on the song title below to listen to it.

link
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Urgent
The Trix cast a spell that start to slowly kill all the plants in the magic dimension. Flora and lots of other nature fairies become sick. The winx will need to find a way to break the curse before it's too late

I love this one along with All of my past

This one's great.

Also Futuristic and Glory & Gore.

Futuristic as well.

This sounds quite interesting.