I just leveled AST to 90 this afternoon. I saved it as my last Healer to 90. Why? Too many buttons and I am on PS5 Controller.

I noticed 2 overarching problems I see brought up often with AST.
1. Too many buttons. As stated earlier.
2. RNG Seals when you can't get all 3.

Note I am not discussing its damage output.

I posted everything below in a reply to another thread and I wanted to post it in its own as well. I also added a few things here and there.
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My suggestions:

Have Draw able the user to draw 3 cards with their own buttons. One slot for each Seal. The only choice needed is if it's a Melee or Ranged card.

Once all three cards are used, Draw turns into Divination or a seperate Divination becomes available to activate.

(This assumes Play and Redraw are removed, leaving this as a +1 to buttons added for AST)

Some people may notice this sounds like Ninja Mudras, and yes that's how I thought about it. But it resolves three seals

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Then there comes the problem of being limited to Three Cards per Draw, thus three cards per 120s window for Divination.

To absolve this, have Astrodyne still as an ability to use three seals when Divination is on CD. And have Draw on 40 seconds CD? 60s? Not sure on this.
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The only challenge provided for the class in this case is playing cards on proper roles, the only RNG involved is the DPS distribution that queues into a roulette with you.

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Now then you have to resolve Button Bloat.

Couple Simple Suggestions:
1. Minor Arcana > Crown Play 1 button
2. Change Celestial Intersection to be 8% Mitigation instead of Shield. And it upgrades into Exaltation 10% plus delayed heal. AST doesn't need to match WHM with Aquaviel and Benison.

Just a couple abilities I personally don't find useful:
1. Synastry (I literally have used this 4 times since I started in Stormblood)

2. Horoscope
Perhaps let it be a lower level weaker/simpler Macrocosmos that becomes Macrocosmos?
-or-
Change it altogether and make it an evolved and stronger Divination at lv90 (higher than 6% party buff. Perhaps 8% or 10%)

[I think with everything I suggest, that's 3 buttons less?]