We’re only here to watch Zeus blow stuff up

The cards getting Summoning animations are:
Cosmic Quasar Dragon
Crimson Dragon
Scarred Dragon Archfiend
Dragon Master Magia

And furthermore, Divine Arsenal AA-ZEUS – Sky Thunder gets an animation when its effect to wipe the field resolves, very similar to one of its attacks displayed in the Yu-Gi-Oh! Chronicles animation.

-New Duelist Cup announced
The next Duelist Cup will run from September 18th to September 30th (time zones applying)

–New Grades for the Proficiency Test
Grades 16 to 20 have been added to the test. We’ll be updating as the grades are unlocked:
Grade 16:
Academic Exam: Answer 5 out of 8 questions correctly
Practical Exam: Activate 100 Spell Cards
Reward: 5 Legacy Pack Tickets

Grade 17:
Academic Exam: Answer 5 out of 8 questions correctly
Practical Exam: Win a Duel while your LP are 2000 or less 5 times.
Reward: 5 Legacy Pack Tickets

Grade 18:
Academic Exam: Answer 5 out of 8 questions correctly
Practical Exam: Xyz Summon 30 times
Reward: Xyz Monster Card Mate Base

Grade 19:
Academic Exam: Answer 5 out of 8 questions correctly
Practical Exam: Special Summon 30 Tokens
Reward: Nibiru, the Primal Being Icon

Grade 20:
Academic Exam: Answer 8 out of 8 questions correctly
Practical Exam: Compete in a Duel 50 times, Chain up to Chain Link 4 in a Duel (1 time or more) 20 times.
Reward: MD Proficiency Test Grade 20 Title

-70 Million Downloads Campaign
By logging in across 8 days before September 24th, you can obtain the following rewards:
Day 1: 300 gems
Day 2: 1 Wings of the Guardian Pack Ticket (SR guaranteed)
Day 3: 200 gems
Day 4: 1 Wings of the Guardian Pack Ticket
Day 5: 200 gems
Day 6: 1 Wings of the Guardian Pack Ticket
Day 7: 200 gems
Day 8: 100 gems

For a total of 1000 gems

The Shaddoll cards can be obtained from the Secret Pack Enchanted Threads of Shade, while the remaining cards can be obtained through a number of Secret Packs, but most notably, the new Secret Pack Evoked Dragon of Miracles. Both of these Secret Packs will be unlocked until October 10th (time zones applying) and until then, you can obtain 1 pack of each for free.

Furthermore, the following cards have been stealth-added to the Legacy Pack: